represent

New York represents everything that's great about America.

They have delegated(选举) him to represent their city at the convention.

Approach

When I approached, they grew silent.

At their approach the little boy ran away and hid.

Defend

He has hired a lawyer to defend him against the allegation.

Our duty is to defend the country against its enemies.

defend against

Prepare to defend against aerial attacks!

The emperor himself led his army to defend against the offensive from outside. 

Likely

Train fares are likely to remain unchanged.

Look at the sky . It's most likely going to rain.

be likely to

Single parents are more likely to be permissive（放任的）.

 I'm likely to be very busy tomorrow.

in general

The class are, in general, very bright.

 But in general, they like to keep their distance. 

ease

He passed the exam with ease .

 His mind was at ease and he felt confident in the future.

at ease

He didn't feel completely at ease in the strange surroundings.

 He is at ease about the matter. 

lose face

 If Tom doesn't keep his promise, he'll lose face.

His careless work made him lose face with his teacher.

turn one’s back to

 To be a leader of men , one must turn one's back on men.

Turn back to page ten please.