管用 guǎn yòng 🔊 efficacious HSK 7–9 + Review this word Meanings guǎn yòng efficacioususeful Its characters 管guǎnto take care (of)HSK 4用yòngto use; to make use of; to employHSK 3 In sentences Pinyin 那nà药yào不会bù huì管用guǎn yòng。That medicine isn't going to help. #5701331