只管

zhǐguǎn
  1. solely engrossed in one thing
  2. just (one thing, no need to worry about the rest)
  3. simply
  4. by all means
  5. please feel free
  6. do not hesitate (to ask for sth)

CEDICT

Entry Composition

=1 只 zhǐ only; merely; just
=1 只 zhǐ variant of 只 zhǐ
=1 只 zhǐ variant of 只 zhǐ
=2 管 guǎn variant of 管 guǎn
=2 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