管用

guǎnyòng
  1. efficacious
  2. useful

CEDICT

Entry Composition

=1 管 guǎn variant of 管 guǎn
=1 管 guǎn
  1. to take care (of)
  2. to control
  3. to manage
  4. to be in charge of
  5. to look after
  6. to run
  7. to care about
  8. tube
  9. pipe
  10. woodwind
  11. classifier for tube-shaped objects
  12. particle similar to 把 bǎ in 管...叫 constructions
  13. writing brush
  14. (coll.) to
  15. towards
2 用 yòng
  1. to use; to make use of; to employ
  2. (coverb) with; using
  3. to need; to have to (usu. used in the negative or in questions)
  4. usefulness; utility
  5. (bound form) expense; outlay
  6. (courteous) to eat; to drink
  7. (literary) hence; therefore