gěng​duǎn​jí​shēn

out of one's depth

  1. well rope
    (bound form) rope used to draw water from a well; literary usage
  2. duǎn adjective
    short
    short in length or duration; brief
  3. verb
    to draw water
    to draw water from a well; generally to fetch or draw water upwards from a lower place
  4. shēn adjective
    deep
    deep; far from the surface or outside (physically or figuratively); having a large distance from top to bottom