有一套

yǒuyītào
to have a skill; to be savvy; to know how to do sth

CEDICT

to have a skill; to have a way with

Wiktionary

有办法、手段。

重編國語辭典

Entry Composition

1 有 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒuyì intentional)
2 一套 yītào
  1. suit
  2. a set
  3. a collection
  4. of the same kind
  5. the same old stuff
  6. set pattern of behavior