在所不惜

zàisuǒbùxī

to not hesitate to make any sacrifice; to do something despite the cost

Wiktionary

Entry Composition

1 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
2 所 suǒ
  1. actually
  2. place
  3. classifier for houses, small buildings, institutions etc
  4. that which
  5. particle introducing a relative clause or passive

classifier: 個
3 不惜 bùxī
  1. not stint
  2. not spare
  3. not hesitate (to do sth)
  4. not scruple (to do sth)