他不应该未经歌手允许就录音。

He shouldn't be taping without the singer's permission.

《柯林斯英汉双解大词典》

他不应该那么生气的。

He shall not get so angry.

youdao

和其他人类一样，即使在日常履行职责的时候，他也会遇到道德问题——他不应该炮制实验、伪造证据或篡改报告。

Like other human beings, he encounters moral issues even in everyday performance of his routine duties—he is not supposed to cook his experiments, manufacture evidence, or doctor his reports.

youdao

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选

So it could be--From Hannibal's point of view he doesn't know which pass you're going to defend, but let's have a look at his payoffs.

站在汉尼拔的立场,他应该,不知道你会防守哪条路,但让我们看看他的收益

耶鲁公开课 - 博弈论课程节选

One of the things, by the way, that Eikhenbaum does in passing is remind us that we should be on our guard against thinking that sound is onomatopoetic--that is, that it reflects the meaning of what it's talking about.

艾肯鲍姆在书中提到,他特别提醒我们,不应该赞同拟声现象，拟声就是认为声音能反应它所表达的意思。

耶鲁公开课 - 文学理论导论课程节选