I don't agree.
我認(rèn)為這個主意并不怎么樣。
I don't think much of the idea.
我反對。
Objection.
這主意不好。
Bad idea.
這是個幼稚的想法。
That's a naive idea.
這樣不好。
No good.
不,我想不是這樣。
No,I don't think so.
這行不通的。
It won't work.
你瘋了嗎?
Are you crazy?
你一定是開玩笑吧。
You must be kiding.
這太荒謬了。
That's ridiculous.
簡直是一派胡言。
That's sheer nonsense.