脱口说英语口语交际习语大全

W-6：worth its weight in gold 非常有价值

A:Thanks a lot. You've been worth your weight in gold.
A:太感谢你们了，你们帮了我们的大忙。

B:Don't mention it. It's our pleasure.
B:别客气了，这是我们的荣幸。