我以为她会听，但我应该更明智的。

I thought she would listen, but I should have ___known ___better.

当然，作为专业人士，他们应该明智到不犯这种基本错误。

Surely, as professionals, they should ___know ___better than to make such basic mistakes.

经过这么多年，他明智到不冒不必要的风险。

After all these years, he ___knows ___better than to take unnecessary risks.