他虽说又愚蠢又吝啬，但他有幽默的长处。
He may be stupid and mean, but his one saving grace is his humour.

真是个愚蠢的白痴！
What a stupid idiot!

他真是愚蠢，竟会拒绝做那份名报的新闻记者。
It is stupid of him to refuse a job as a reporter on that well known newspaper.

他似乎是个万事通。其实他是再愚蠢不过了。
It seems as if he knew everything, but in reality, he is as stupid as can be.

他蠢得甚至连吃饭都不会。
He is so stupid that he can't so much as eat.

他说了什么来解释他那愚蠢的行为？
What did he say in explanation of his stupid behavior?

他的坦白简直太愚蠢了！
His plainness is just stupid!

你这蠢猪！
You stupid jerk!