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Open the tool →口出大言 (kǒu chū dà yán) is a Chinese idiom (chengyu) meaning “to boast”.
口出大言 is pronounced kǒu chū dà yán in Mandarin Chinese.
Literally, 口出大言 means “speak big words”. It is used to mean “to boast”.
说大话。形容说话狂妄。