Berean Standard Bible (BSB)
But solid food is for the mature, who by constant use have trained their senses to distinguish good from evil.
World English Bible (WEB)
But solid food is for those who are full grown, who by reason of use have their senses exercised to discern good and evil.
Strong's King James
But{G1161} strong{G4731} meat{G5160} belongeth to them that are{G2076}{(G5748)} of full age{G5046}, even those who by reason{G1223} of use{G1838} have{G2192}{(G5723)} their senses{G145} exercised{G1128}{(G5772)} to{G4314} discern{G1253} both{G5037} good{G2570} and{G2532} evil{G2556}.
The F.O.G *
(14) But solid food is for the mature who through maturity have their faculties in training to discern both good and evil.
The F.O.G Message *
Young's Literal Translation
and of perfect men is the strong food, who because of the use are having the senses exercised, unto the discernment both of good and of evil.