口不择言[kǒu bù zé yán]
词典口不择言
词典s
1. 你在口不择言，你知道吗 You run your mouth kind of reckless, don't you?
2. 我只是有些口不择言-你没说过什么 I was just being glib.- You haven't said anything.
3. 最易被人诟病的自然是他的口不择言。 The most obvious, of course, is his mouth.