拼命

pīnmìng
to do one's utmost; with all one's might; at all costs; (to work or fight) as if one's life depends on it

CEDICT

Entry Composition

1 拼 pīn
  1. to piece together; to put together
  2. to pool (resources etc); to share
  3. to risk all; to go all out
  4. to spell (words)
2 命 mìng
  1. life
  2. fate
  3. order or command
  4. to assign a name, title etc