管用

guǎnyòng

adjective HSK 7 #2,730

Meanings

Manages to be of use = effective.

Zhège bànfǎ guǎnyòng ma?

Does this method work?

Chī yào bù guǎnyòng, háishì qù kàn yīshēng ba.

Taking medicine isn't working; you should go see a doctor.

Shuō shénme dōu bù guǎnyòng.

Nothing you say will work.

usage

管用 is colloquial. Very common in spoken Chinese. Often used in negative: 不管用 (doesn't work/isn't effective). Similar to 有用 but more informal.

管 guǎn

用 yòng