吃不上

chībushàng
  1. unable to get anything to eat
  2. to miss a meal

CEDICT

Entry Composition

=1 吃 chī
  1. to eat; to consume
  2. to eat at (a cafeteria etc)
  3. to eradicate; to destroy
  4. to absorb
  5. to suffer (shock, injury, defeat etc)
=1 吃 chī variant of 吃 chī
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above