Korean Four-Character Idioms
대기만성
大器晩成
Word for word
“a great vessel takes long to finish”
What it means
Great talents bloom late.
When you'd use it
Encouraging someone whose success is slow in coming.
Example
서른 넘어 데뷔했지만 대기만성형 배우로 성공했다.He debuted after thirty but became a classic late bloomer.