wait until; by the time when (sth is ready etc)[cedict]
水落石出
shuǐ luò shí chūㄕㄨㄟˇ ㄌㄨㄛˋ ㄕˊ ㄔㄨ
As the water recedes, the rocks appear (成语 saw); the truth comes to light; When facts are known, doubts dissipate.; Murder will out.; Name of a CCTV soap opera set in police station[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]