- 闭口不谈 bìkǒubùtán to avoid mentioningto refuse to say anything about something; to remain tight-lipped about a subject
- 开口闭口 kāikǒubìkǒu to talk repeatedlywhenever one opens their mouth; to say the same thing again and again
- 闭口不言 bìkǒubùyán to keep silentto shut one's mouth and say nothing; to stay quiet
- 闭口无言 bìkǒuwúyán tongue-tiedto remain silent; to be at a loss for words when someone else is criticizing or refuting you