如果对提出来的问题确实不了解、不知道，可以说老实话，必要时事后提供书面的答复。

If you have no idea how to answer the question, say you don't know and, if necessary, promise to provide a written response afterwards.

youdao

说老实话，我对那有点紧张。

I'm a little nervous about that to be honest with you.

youdao

说老实话，一切取决于谁在问我。时代对新思想是相当严厉的。

To tell the truth, everything depends on who is asking me. Times are pretty hard for new ideas.

youdao