不分上下

    bùfēnshàngxià

    1. Idiomnot to know one's place

    他说话总是不分上下,对领导也很无礼。Tā shuōhuà zǒngshì bùfēnshàngxià, duì lǐngdǎo yě hěn wúlǐ.He often speaks out of turn and shows disrespect to his superiors.