I don't believe him for a minute.是什么意思？

I don't believe him for a minute.

我一点也不相信他。

believe

v. 信任，料想，笃信宗教；vt. 相信，以为，认为，对…信以为真，信任；

例句
Some parents believe a boy must learn to stand up and fight like a man.
有些父母认为男孩子必须学会像男子汉一样顶天立地，勇于抗争。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

minute

n. 分，分钟，瞬间，片刻，备忘录，会议记录；vt. 把…记录在案，为…测定时间；

例句
Millar finished 1 minute and 35 seconds ahead of Thierry Claveyrolat.
米勒领先蒂埃里·克拉韦罗拉1分35秒完成比赛。