to drop the subject 打斷話題
英文釋義
To cease discussion of a particular topic, usually because it is unpleasant.
例句
My friend got so angry when I started talking about the job he lost last month that I knew I should drop the subject immediately.
當我開始談到我的朋友上月丟掉的工作時,我的朋友變得特別生氣,我明白,我得趕緊打住。