不三不四 (bù sān bù sì)

📖 Today's 成语: 不三不四 (bù sān bù sì)Meaning: Neither fish nor fowl (shady or dubious)Summary: 不三不四 (bù sān bù sì) is a colloquial expression used to criticize people or things that are suspicious, improper, or lack integrity. It is most commonly used to describe "shady characters," "improper relationships," or "indecent behavior." While frequent in daily conversation, it carries a strong negative tone and should be used with caution.Read the full transcript with multilingual translations, meaning/usage notes, examples, and cultural context:不三不四 (bù sān bù sì) | 每天成语