他打电话给一个老朋友，在深夜救他。

He calls an old friend to rescue him in the middle of the night.

youdao

给一个老朋友打电话。

Call an old friend.

youdao

我给一个很好的老朋友打了电话，他们家都是做床垫生意的。

I called up my long-time best friend whose entire family is in the mattress business.

youdao

每周给老朋友打一个电话或发一封电子邮件。

Once a week, call or email an old friend.

youdao

她的一个老朋友上周给她写了一封信。

An old friend of hers wrote a letter to her last week.

youdao

她的一个老朋友上周给她写了一封信。

An old friend of hers wrote a letter to her last week.

youdao