Some people are so terribly insincere you can never tell if they are telling the truth.

有些人虚伪得可怕，你绝对无法搞清楚他们是否在讲真话。

《柯林斯英汉双解大词典》

Dreams tell you about places and people you never thought about before.

梦，就会告诉你，你自己从来没有想过的地方和人。

youdao

You should tell people you love that you love them, as often as possible, because you never know when your last chance will be.

你应该随时告诉那些你爱的人，你爱他们，尽可能多的，因为你并不知道什么时候是最后一次。

youdao

Most people will never tell you your kid, or your latest idea, is ugly.

FORBES: Are You Making Something Usable? Part 6 -- How to do it.

No matter how often people tell you it is safe - you will never believe it until you have survived the experience.

BBC: Falling into New Zealand, from 10,000 feet

Often people assumed that he had died, never saying a word, but you could tell.

NEWYORKER: The Woman of the House