Puzzled by his problem, I didn't know how to answer.

我被他的问题难住了不知道怎么回答。

youdao

I was puzzled by his problem and I didn't know how to answer it.

我被他的问题难住了不知道怎么回答。

youdao

I was puzzled by his problem and I didn't know how to answer it.

我被他的问题难住了不知道怎么回答。

youdao