半生不熟

bànshēngbùshú
  1. half-cooked; underdone; underripe
  2. not mastered; not skilled (of a technique)
  3. not well-acquainted

Wiktionary

Homographs

半生不熟 bànshēngbùshóu
  1. underripe
  2. half-cooked
  3. (fig.) not mastered (of a technique)
  4. clumsy
  5. halting

Entry Composition

1 半生 bànshēng half a lifetime
2 不熟 bùshú
  1. not cooked
  2. unfamiliar