Examples

It was foolish of you to pay so much for this skirt.

你可真够笨的，花这么多钱买这条裙子。 → foolish

I call it a foolish waste of time → call

he's a mite foolish → a mite

你以为他糊涂，他并不糊涂。

You thought he was foolish, but actually he isn't. → 并

愚公毫不动摇，每天挖山不止。

Unshaken in his conviction, the Foolish Old Man kept on digging at the mountain every day. → 不止

他是个明白人，不会干什么傻事。

He is too sensible to do anything foolish. → 明白人

看你这傻样，还不快过来和大家打招呼。

Don't stand there looking so foolish. Come over and say hello to everybody. → 傻样

愚蠢无知

foolish and ignorant → 愚蠢

愚笨

foolish; stupid; clumsy → 愚

他是历史上有名的暗弱昏君。

He is notorious for being a foolish emperor. → 暗弱