探头探脑 Traditional 探頭探腦 tàn tóu tàn nǎo 🔊 to stick one's head out and look around… + Keep this word Meanings tàn tóu tàn nǎo 探頭探腦 to stick one's head out and look around (idiom) Its characters 探tànto exploreHSK 7–9头tóuheadHSK 2脑nǎobrain