1. 使恶心;使想呕吐
If something nauseates you, it makes you feel as if you are going to vomit.

1. cause aversion in
offend the moral sense of

e.g. The pornographic pictures sickened us

Synonym: disgustrevoltsickenchurn up

2. upset and make nauseated

e.g. The smell of the food turned the pregnant woman's stomach
The mold on the food sickened the diners

Synonym: sickenturn one's stomach