擅长

擅長
shàncháng
to be good at; to be expert in

CEDICT

Entry Composition

1 擅 shàn
  1. without authority
  2. to usurp
  3. to arrogate to oneself
  4. to monopolize
  5. expert in
  6. to be good at
2 长 cháng
  1. long
  2. (bound form) length
  3. (bound form) strong point; forte
  4. (bound form) to be good at
  5. (literary) surplus; spare (Taiwan pr. zhàng)