高不凑低不就
gāo​bù​còu​dī​bù​jiù

unfit for any position

  1. 高 gāo adjective
    high
    high; tall; above average in height, level, or degree
  2. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  3. 凑 湊 còu verb
    to move close
    to move close to; to press near or lean toward
  4. 低 dī adjective
    low
    close to the ground or bottom; of short height
  5. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  6. 就 jiù verb
    to accommodate
    (bound form) To yield to; to suit or fit; to go with.