tān​duō​jiáo​bù​làn

to bite off more than one can chew

  1. to be greedy for more
    to seek or strive for excessive quantity or more than one can handle
  2. to chew
    to chew or munch; to grind food with the teeth
  3. bu particle
    [potential]
    Used between a verb and its result to show that the action cannot achieve that result; used as the negative form of the de potential construction
  4. mushy
    cooked until soft; sodden; mushy; (of solids) falling apart after absorbing water