捷足先登

jiézúxiāndēng
  1. the quick-footed climb up first (idiom)
  2. the early bird catches the worm
  3. first come, first served

CEDICT

to take the first step; to act early on; to beat to the punch; the early bird gets the worm

Wiktionary

比喻行动最快者先达到目的。参见「疾足先得」条。

重編國語辭典

Entry Composition

=1 捷 jié
  1. variant of 捷 jié
  2. quick
  3. nimble
=1 捷 jié
  1. victory
  2. triumph
  3. quick
  4. nimble
  5. prompt
2 足 zú
  1. (bound form) foot; leg
  2. sufficient; ample
  3. as much as; fully
3 先 xiān
  1. beforehand; first; earlier
  2. at first; originally
  3. for the time being; for now
  4. (prefix) my late (in referring to deceased relatives older than oneself)
4 登 dēng
  1. to scale (a height)
  2. to ascend
  3. to mount
  4. to publish or record
  5. to enter (e.g. in a register)
  6. to press down with the foot
  7. to step or tread on
  8. to put on (shoes or trousers) (dialect)
  9. to be gathered and taken to the threshing ground (old)