making you feel as if you are going to vomit

the nauseating smell of rotting food 腐烂食物令人作呕的气味

If someone's opinions or actions are nauseating, you dislike and disapprove of them.

Her strongest criticism was reserved for the prime minister whom she accused of "nauseating hypocrisy". 她对首相的批评最为激烈，指责他“虚伪得令人作呕”。

humorous She's good at everything she does - it's nauseating! 她做什么事情都拿手——真可恶！