C2 adjective /ˌsuː.pɚˈsɪl.i.əs/
supercilious
傲慢的
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
她对他露出了一种傲慢的笑容,好像他比她低。