No, you shouldn't. You don't know the vile, repulsive thingsthey were thinking.

VOA: standard.other

We know that UV light gets absorbed by glass, so it shouldn't be able to go through the glass.

我们知道紫外光会被玻璃吸收，所以它无法通过玻璃。

麻省理工公开课 - 化学原理课程节选

And I know lots of people as well, so I can stay there. Why I shouldn't?

我也认识很多人，所以我可以留在那里。我为什么不呢？

研究生院也在这里 - SpeakingMax英语口语达人

If you meant not to, wished you hadn't, know you shouldn't have, you can rationalize saying you didn't and not think of yourself as a liar.

CNN: Margaret Carlson On Sex And, ...Honesty. Honestly

If they don't know, they shouldn't feel bad about it.

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She doesn't have to know everything and shouldn't pretend she does.

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