图片发自简书App

1.make for =head for 走向；冲向；

to go in the direction of a particular place

2.Air force 空军

the part of a country's military organization that uses planes to fight

army陆军

navy海军

3.be a great danger to someone/something

Balloon can be a great to aircraft

4.spy :to secretly collect information about an enemy country or an organization you are competing against

Spy on 暗中监视某人/某地

5.keep /lose track of :

to pay attention to someone or something, so that you know where they are or what is happening to them, or to fail to do this

保持/失去联系（线索）

6.keep watch on 密切关注

7.make out :to be just able to see or hear something

辨认出

8.give it a shot =have a try

9.go wrong =backfire 事与愿违

10.misunderstanding =get sb wrong 误会