万一他不来开会我们怎么办?。

What shall we do in case he is absent at the meeting?

youdao

万一他不来，我们就叫约翰开机器。

If, by any chance, he failed to come, we'll ask John to work the machine.

youdao

万一他不来，你将代替他。

Should he not come, you would take his place.

youdao

“好吧，”他和和气气地说，“不过我会在附近的。万一她不来接你，我可以护送你安全回家的。”

"All right, " he said in all kindness. "I'll be near, though, in case she isn't here, and take you out there safely. "

youdao

“好吧，”他和和气气地说，“不过我会在附近的。万一她不来接你，我可以护送你安全回家的。”

"All right, " he said in all kindness. "I'll be near, though, in case she isn't here, and take you out there safely. "

youdao