고진감래가 · 고진감래를 (often 고진감래라고)
after hardship comes joy; no pain, no gain
Example
고진감래라고, 열심히 하면 좋은 날이 올 거예요.
As they say, after the bitter comes the sweet; if you work hard, good days will come.
Word parts
고 bitter+진 exhaust+감 sweet+래 come
Literally 'when the bitter is used up, the sweet arrives'.
Good to know
Pronounced [고진감내] — ㄹ becomes ㄴ after ㅁ.