萬事通

万事通
wànshìtōng
jack-of-all-trades; know-it-all

CEDICT

jack of all trades; know-it-all

Wiktionary

通曉各式各樣事物的人。如：「他是個無所不知，無所不曉的萬事通。」也作「百事通」。

重編國語辭典

Entry Composition

1 萬事 wànshì all things
2 通 tōng
  1. to go through
  2. to know well
  3. (suffix) expert
  4. to connect
  5. to communicate
  6. open
  7. to clear
  8. classifier for letters, telegrams, phone calls etc