探头探脑

tàntóutànnǎo

pop one's head in and look about

* * *

tan4 tou2 tan4 nao3

to stick one's head out and look around (idiom)

* * *

探头探脑

tàn tóu tàn nǎo

pop one's head in and look about; crane one's neck to peer

* * *

探頭探腦|探头探脑 [tàn tóu tàn nǎo] ► to stick one's head out and look around (idiom)