木已成舟 mù yǐ chéng zhōu

DEFINITIONS

  1. lit. the timber has been turned into a boat already (idiom)
  2. fig. what is done cannot be undone

CHARACTERS

木 mù tree; wood, lumber; wooden
已 yǐ already; finished; stop
成 chéng completed, finished, fixed
舟 zhōu boat, ship; KangXi radical 137