supercilious
/ˌsu:pəˈsɪlɪəs; also, in ɑritish use, 英式英语读作 ˌsju:-; ˌsupɚ`sɪlɪəs/ adj
(derog 贬) thinking or showing that one thinks one is better than other people; arrogant and disdainful 自高自大的; 倨傲不逊的; 目空一切的
a supercilious person, smile, attitude 傲慢的人、 微笑、 态度
The shop assistant was very supercilious towards me when I asked for some help. 我要买东西招呼售货员时, 那个售货员对我不屑一顾.