如果那个男孩真的不是她的儿子，那怎么办呢？

What if the boy were really not her son, after all?

youdao

如果它从窗户进来，爬到他身后，用毒牙攻击他，那该怎么办呢？

What if it slithered through the window, instead crept up behind him, and struck him with its venomous fangs?

youdao

如果你的路上有一块巨大的障碍物，那怎么办呢？

What if there is a major obstacle standing in your way?

youdao

How do I do it? By putting in signs which are not other signs.

那怎么办呢？这就需要添加特殊的符号。

耶鲁公开课 - 文学理论导论课程节选

shows a week, that's so much physicality, and how do you work with that?

一周8场表演，那样会很费体力，那你会怎么办呢？

健康管理的重要性 - SpeakingMax英语口语达人

Where in the worlddid that sorted list come from?

如果我只是有一系列的元素，那怎么办呢？

麻省理工公开课 - 计算机科学及编程导论课程节选