고생하다 have trouble with ~에 문제가 있다, 고생하다, 어려움을 겪다 hear from ~에게서 연락을 받다, 소식을 전하다

#. 고생하다

 

• have trouble with ~에 문제가 있다, 고생하다, 어려움을 겪다

 

He is having trouble with his battery.

I am having trouble with this math homework.

The soccer player had trouble with his knee.

How are your tennis lessons?

> Good, but I'm having trouble with my serve.

 

• hear from ~에게서 연락을 받다, 소식을 전하다

 

He is waiting to hear from the doctor about his tests.

I haven't heard from Dave recently.

It's nice to hear from you.

Has Mary called you since she went to China?

> Not yet, If I don't hear from her soon I'm going to start worrying.