N. Amer. informal <北美, 非正式>
an ability or tendency to make cheeky retorts; impudence
能言善辩; 说话放肆：
why do you hide behind that smart mouth all the time?
为什么你总是靠着一张能言善辩的嘴巴呢？
(smart-mouth)no obj.
1make impudent remarks
说话冒犯。
1.1with obj. make impudent remarks to
对（某人）说冒犯的话。