鍥而不捨

锲而不舍
qiè'érbùshě

to persevere; to continue doing something in a determined way and not give up

Wiktionary

Homographs

鍥而不捨 qièérbùshě
  1. to chip away at a task and not abandon it (idiom); to chisel away at sth
  2. to persevere
  3. unflagging efforts

Entry Composition

1 鍥 qiè
  1. to cut
  2. to carve
  3. to engrave
  4. to chisel
  5. fig. to chisel away at
2 而 ér
  1. and
  2. as well as
  3. and so
  4. but (not)
  5. yet (not)
  6. (indicates causal relation)
  7. (indicates change of state)
  8. (indicates contrast)
3 不捨 bùshě reluctant to part with (sth or sb); unwilling to let go of