This won't do any good; on the contrary, it will make things even worse.
这样做不但于事无补，反会把事情弄糟。
He is not stingy at all; on the contrary, no one could be more generous.
他一点儿也不吝啬，相反，没有比他更大方的了。
You think you are clever, on the contrary, I assure that you are very foolish.
你自以为很聪明，相反地，我确信你很傻。
China does not suffer from a lack of men of action; on the contrary, there are multitudes of them.
中国不患无实行家，盖林林总总者皆是也。
On the contrary, if you will but follow my advice, you will find it worth more than eight times eighty dollars to you.
相反，如果你肯听从我的劝告，你会发现对你来说，这比八个八十块钱还要值钱呢！