2、Necessity is the mother of invention. 需要是发明之母。

3、The doctor asked us to call him during the night except in case of necessity. 医生吩咐我们，除非必须，否则不要在夜里叫他。 Permission n. 许可；允许

A permission is a formal, written statement from an official group or place allowing you to do something. If someone who has authority over you gives you permission to do something, they say that they will allow you to do it. 1、You were wrong to take the car without permission. 你未得许可就把汽车开走是不应该的。

2、I resent having to get his permission for everything I do. 我讨厌做每件事都要得到他的许可。

3、It's illegal to read people's private letters without permission. 未经允许看别人的私人信件是不合法的。

Prediction n. 预言；预报；预告

If you make a prediction about something, you say what you think will happen. 1、Recent discoveries will bear his prediction out. 近来的种种发现将会证实他的预言。

2、The prediction was literally accomplished. 这个预言确实实现了。 3、His prediction was right. 他的预言是正确的。

Fashion n. 样子；方式；时尚

A fashion is a style of clothing or a way of behaving that is popular at a particular time. If you do something in a particular fashion or after a particular fashion, you do it in that way. 1、Long skirts have come into fashion again. Faded jeans are still in fashion too. 长裙子又流行起来。漂浅的牛仔裤也还很时髦。

2、Fashions in art and literature are changing constantly. 文艺的潮流总是日新月异.

3、He walks in a peculiar fashion. 他走路的样子很怪.

Parking n.（汽车等）停放

Parking is the action of moving a vehicle into a place in a car park or by the side of the road where it can be left. 1、There is no parking between 9 am and 6 pm. 上午9时至下午6时禁止停放机动车辆. 2、Is there any parking near the theatre? 剧院附近有停车场吗?

3、I got a parking-ticket today!

今天我接到一张违章停车罚款通知单! parking lot 停车场

A parking lot is an area of ground where people can leave their cars. 1、We encouraged the Smiths before leaving the parking lot.

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在离开停车场之前，我们鼓励了史密斯一家。

2、The parking lot was crowded, and he was boxed in. 停车场很拥挤，他被困在里边出不来。

3、There is a parking lot at the back of the bakery. 面包店的后面有一个停车场。 Turn up 出现；到场

If something that you have been looking for turns up, you find it unexpectedly If a better situation or an opportunity to do something turns up, it happens or becomes available unexpectedly or in a way that was not planned to arrive or appear somewhere, usually unexpectedly or in way that was not planned 1、The missing letter eventually turned up inside a book. 那封丢失的信最后在一本书里被发现了。 2、He's still hoping something will turn up. 他仍在期待机会出现.

3、Do you think many people will turn up? 你认为会有很多人到场吗？

Keep one’s word 守信用；履行诺言

do what one has promised 1、It is considered a good quality to keep one's word. 守信被认为是一种良好的品质。

2、The best way to keep one's word is not to give it. 信守诺言的最好方法是不许诺言！ 3、You should keep your word. 你应该言而有信。

Hold one’s breath 屏息；屏气

to prevent oneself from breathing temporarily to wait anxiously to see what is going to happen, especially when there is a possibility that something bad may happen 1、We held our breath in excitement. 我们激动地屏息凝神。

2、We held our breath in fear. 我们因害怕而屏住呼吸。

3、How long can you hold your breath underwater? 你在水下能屏气多久呢？ Apologize vi. 道歉；辩白

When you apologize to someone, you say that you are sorry that you have hurt them or caused trouble for them. 1、I must apologize for not being able to meet you. 我因为没能接你而向你道歉. 2、I apologize. 我很抱歉。

3、You must apologize to your sister for being so rude. 你太无理了，必须向你姐姐道歉。 Drown vt. & vi. 淹没；溺死；淹死

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If you say that a person or thing is drowning in something, you are emphasizing that they have a very large amount of it, or are completely covered in it. When someone drowns or is drowned, they die because they have gone or been pushed under water and cannot breathe. 1、He drowned his meal in gravy. 他把饭菜泡在肉汁里.

2、The band drowned our conversation. 乐队的演奏声把我们谈话的声音淹没了。 3、It is cruel to drown the cat in the river. 把猫淹死在河里是件残忍的事。

4、The little girl drowned in the river. 小女孩在河里淹死了。 Sadness n. 悲哀，悲伤

the state of feeling sad 1、I just feel so much happiness and sadness. 我只体会到许多快乐和悲伤。

2、She plays a wife and mother who struggles with feelings of sadness and hopelessness. 在剧中她扮演了一位挣扎于伤心和绝望中的母亲和妻子。 3、His stories are shot through with a gentle sadness. 他的小说充满了淡淡的忧伤。 Obvious adj. 明显的；显而易见的

If something is obvious, it is easy to see or understand. 1、It is obvious that she is very clever. 很明显，她挺聪明。

2、The embassy is an obvious target for terrorist attacks. 大使馆是恐怖分子攻击的明显目标。

3、His nervousness was obvious right from the start. 他从一开始就显然十分紧张.

4、It was obvious to everyone that the child had been badly treated. 大家都清楚那孩子受过虐待. Wipe vt. 擦；揩；擦去

If you wipe something, you rub its surface to remove dirt or liquid from it. If you wipe dirt or liquid from something, you remove it, for example by using a cloth or your hand. 1、She wiped her tears away. 她擦掉了眼泪。

2、Please wipe your feet. 请把鞋在蹭鞋垫上擦一擦.

3、Please wipe the writing from the blackboard. 请把黑板上的字擦掉。

Weep vi. (wept, wept) 哭泣；流泪 n. 哭；哭泣

If someone weeps, they cry. A period or fit of weeping. Often used in the plural. 1、It is better to laugh than (to) weep.

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笑比哭好。

2、Laugh, and the world laughs with you; Weep, and you weep alone. [谚]欢笑，整个世界伴你欢笑。哭泣，只有你独自向隅而泣。 3、A good weep would probably make you feel better. 你痛痛快快哭上阵也许就好受些了. set off 出发；动身；使爆炸

to start to go somewhere to make a bomb explode, or cause an explosion 1、If you want to catch that train we'd better set off for the station immediately. 你要是想赶上那班火车，咱们就最好马上动身去火车站。 2、What time are you planning to set off tomorrow? 你打算明天几点钟启程?

3、Do be careful with those fireworks; the slightest spark could set them off. 这些烟火要格外小心，稍有火星就能引起爆炸。 Remind vt. 提醒；使想起

to make someone aware of something they have forgotten or might have forgotten 1、Please remind me to write to my mother tomorrow. 请提醒我明天给我母亲写信。

2、I reminded her how much the fare was. 我提醒她车票的价钱.

3、Do I have to remind you yet again? 还需要我再次提醒你吗?

Remind … of … 使……想起……

cause sb to remember or be newly aware of sb/sth 1、This song reminds me of France. 我一听到这首歌就想起了法国. 2、He reminds me of his brother. 他使我想起了他的弟弟。

3、This story reminds me of my childhood. 这个故事让我想起了我的童年。

Forgive vt. (forgave, forgiven) 原谅；饶恕

If you forgive someone who has done something bad or wrong, you stop being angry with them and no longer want to punish them. 1、I forgave her a long time ago. 我早已原谅她了.

2、I cannot forgive myself for not seeing my mother before she died. 母亲临终前我未去看她, 为这件事我永远不能原谅自己. 3、She forgave him his thoughtless remark. 她原谅了他说的轻率的话.

Unit 2

Diet n. 日常饮食 vi. 节食

n. Your diet is the type and range of food that you regularly eat. Vi. If you are dieting, you eat special kinds of food or you eat less food than usual because

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