竹篮打水 (竹籃打水) zhúlán dǎshuǐ

zhúlán dǎshuǐ set phrase using a wicker basket to draw water; wasted effort
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '竹籃打水')

Also contained in

竹篮打水,一场空