“你不该讲那样的话。”她一本正经地说。

'You're not supposed to say that,' she said primly.

《牛津词典》

按公事说，我是不该到这里来的。

I'm not officially supposed to be here.

《牛津词典》

“我是个幸运的人，不该这么幸运，”他谦虚地说。

"I'm a lucky man, undeservedly lucky," he said humbly.

《柯林斯英汉双解大词典》

But we probably shouldn't say that. After all, if you shoot me, there's my corpse lying on the stage.

但是我们也许不该那么说,毕竟,假如你射杀了我,我的尸体倒在讲台上

耶鲁公开课 - 死亡课程节选

.. We've done a lot-- I shouldn't say we haven't done anything-- but we can do a lot more.

我们做了很多-,我不该说我们什么都没做-,但是我们可以本做得更好。

耶鲁公开课 - 金融市场课程节选

I shouldn't say list, those two tuples, and walk through them to find the pieces that match up.

除数数组进行对比，我不该说数组的，是元组,遍历这两个元组找到相同的元素。

麻省理工公开课 - 计算机科学及编程导论课程节选