He should know better than to hope that...

他应该知道，抱这样一种希望是不现实的。

youdao

A man commits a crime, he should know better. We have him killed, and feel good about it.

一个人犯了罪，我们杀了他，会感到很快乐。

youdao

He should know better than anybody: GE has been handing over technology in everything from rail locomotives to antipollution equipment to gain access to the domestic Chinese market.

他应当比任何人更了解：通用电气一直在提供从铁路机车到防污染设备等各种技术以进入中国的国内市场。

youdao

Neil Smith should remember that Mr May and Taylor actually wrote the music that was being performed and surely they would know much better than he how it should be performed.

BBC: Robert De Niro