believe it or not

used to concede that a proposition or statement is surprising

信不信由你（表示说的话令人吃惊）

believe it or not, the speaker was none other than Horace.

信不信由你，演讲者就是霍勒斯。

believe me (或 believe you me)

used to emphasize the truth of a statement or assertion

（请你）相信我的话（强调话语的真实性）

believe me, it is well worth the effort.

相信我的话，这值得花工夫。

be unable to (或 be hardly able to) believe

be amazed by (something)

无法相信，简直不敢相信（表示对某事感到惊奇）

Clarke could hardly believe his luck as he put the ball into the empty net.

克拉克简直不敢相信运气那么好，竟把球打进了空袋。

be unable to (或 be hardly able to) believe one's e

be amazed by what one sees or hears

无法（或简直不敢）相信自己的眼睛（或耳朵）（表示对所见或所闻感到惊讶）

don't you believe it!

used to express disbelief in the truth of a statement

别相信这话！

he says he is left of centre, but don't you believe it.

他说他的立场观点中间偏左，别信他。

would you believe (it?)

used to express surprise at something one is relating

你会相信吗？（对所说之事表示惊讶）

they're still arguing, would you believe it?.

他们还在争论，真是怪事!。

believe in

have faith in the truth or existence of

相信（…的真实性）；相信（…的存在）；信仰

those who believe in God.

相信上帝的人。

be of the opinion that (something) is right, proper, or desirable

认为（某事）是正确的（或合适的、必要的）

I don't believe in censorship of the arts.

我认为不应对艺术进行审查。