如果他不知道答案，那就没人知道。

If he didn't have the answer, nobody did.

youdao

“我怎样回答你呢?”他说，“我自己都不知道答案。如果你说我。

How can I answer you?"he said. "I don't know the answer.

youdao

如果我知道答案，我就会告诉他。

If I knew the answer, I would tell him.

youdao

如果我知道答案，我就会告诉他。

If I knew the answer, I would tell him.

youdao