空穴来风 — Chinese idiom

Meaning

• lit. wind from an empty cave
• fig. unfounded (story)
• baseless (claim)

Character by character

• 空kōnghollow, empty, deserted, bare
• 穴xuécave, den, hole
• 来láito arrive, to come, to return; in the future, late
• 风fēngwind; air; customs, manners; news

Idioms sharing a character

• 一扫而空 yī sǎo ér kōng
• 一纸空文 yī zhǐ kōng wén
• 人去楼空 rén qù lóu kōng
• 人财两空 rén cái liǎng kōng
• 两手空空 liǎng shǒu kōng kōng
• 劈空扳害 pī kōng bān hài
• 司空见惯 sī kōng jiàn guàn
• 唱空城计 chàng kōng chéng jì
• 囊空如洗 náng kōng rú xǐ
• 四大皆空 sì dà jiē kōng

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.