PHRASAL VERB 以居高临下(或自命不凡)的口气说话 If you say that someone talks down to you, you disapprove of the way they talk to you, treating you as if you are not very intelligent or not very important. 以居高临下(或自命不凡)的口气说话 [disapproval]
She was a gifted teacher who never talked down to her students. [VERBPREP.PREP. noun]
她天生就是当老师的料,从来不用居高临下的口气对学生说话。
SYN condescend to, patronize, look down on, put down