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名词危险; 危险物，威胁

1. 危险
Danger is the possibility that someone may be harmed or killed.

e.g. My friends endured tremendous danger in order to help me...
为了帮助我，朋友们冒了极大的危险。
e.g. His life could be in danger.
他的生命可能会有危险。

2. 危险的事物（或人）；危害;威胁
A danger is something or someone that can hurt or harm you.

e.g. ...the dangers of smoking...
吸烟的危害
e.g. ...the danger of open conflict...
公开冲突的危险

3. (不愉快之事发生的)可能性，风险
If there is a danger that something unpleasant will happen, it is possible that it will happen.

e.g. There is a real danger that some people will no longer be able to afford insurance...
一些人很可能再也负担不起保险了。
e.g. There was no danger that any of these groups would be elected to power...
不存在这些团体中的任何一个当选的风险。

4. (病人）脱离危险
If someone who has been seriously ill is out of danger, they are still ill, but they are not expected to die.

名词污秽; 污物; 猥亵; 淫猥

1. 肮脏;污秽;污物
Filth is a disgusting amount of dirt.

e.g. The living-room floor was littered with filth and tin cans...
客厅地上丢满了脏东西和罐头听。
e.g. Thousands of tons of filth and sewage pour into the Ganges every day.
每天都有成千上万吨污物和废水排入恒河。

2. 淫秽;秽亵;脏话
People refer to words or pictures, usually ones relating to sex, as filth when they think they are very disgusting and rude.

e.g. The dialogue was all filth and innuendo.
这段对话全是下流的言辞和性暗示。
e.g. ...pornographic filth.
色情淫秽出版物

及物/不及物动词扩大; 放宽; 加宽; 使。。变宽，扩展

1. 变宽
When something broadens, it becomes wider.

e.g. The trails broadened into roads...
羊肠小道变成了宽阔的公路。
e.g. The smile broadened to a grin.
笑容变得更加灿烂。

2. 扩大…的范围；增长，增加（经验、受欢迎程度）
When you broaden something such as your experience or popularity or when it broadens, the number of things or people that it includes becomes greater.

e.g. We must broaden our appeal...
我们必须进行更广泛的呼吁。
e.g. I thought you wanted to broaden your horizons...
我想你是想拓宽自己的视野。

3. 开阔（心胸）
If an experience broadens your mind, it makes you more willing to accept other people's beliefs and customs.

e.g. They say that travel broadens the mind.
他们说旅行能够开阔心胸。

相关词组：broaden out

形容词不可相信的; 站不住脚的; （由于太好或太糟而）令人难以置信的; 非常惊人的

1. 不可思议的；难以置信的；极好的；非常棒的
If you say that something is unbelievable, you are emphasizing that it is very good, impressive, intense, or extreme.

e.g. His guitar solos are just unbelievable...
他的吉他独奏棒极了。
e.g. The pressure they put us under was unbelievable...
他们给我们施加的压力之大超乎想象。