当你去见国王的时候，如果国王要见那位美丽的公主，你必须说：“她在这儿！”

When you come to the king, and he asks for the beautiful princess, you must say, "Here she is!"

youdao

例如如果一个熟人想要你陪他/她参加一个聚会，而你不想去，你必须说“不”。

For instance if an acquaintance wants you to attend a party with him/ her, and you don’t want to go, you must say no.

youdao

我一直对我的孩子说，“在你开始吃饭前和吃完饭后，你必须说'开始就餐'和'吃饱了' ”。

I keep saying to my kids, "you have to say 'Itadakimasu' and 'Gochisousama' before you start your meals and finish your meals."

youdao

You can't just say it once. You have to try to fill that void by saying it two times and by invoking his father a third time.

你不能只讲一次，你必须说第二遍,并且第三次提到迪安的父亲，来填补中间的空隙。

耶鲁公开课 - 1945年后的美国小说课程节选

But you have to submerge yourself in those groups, and I don't speak it enough,

但你必须把自己沉浸于这些小组里，我说得不够多。

学习外语的时候 - SpeakingMax英语口语达人

He said, "If you want to understand the South," he said, "Its taproot is back there in the Old South."

如果你想读懂南方",他说,"那你必须追溯到内战前的南方"

耶鲁公开课 - 美国内战与重建课程节选