to sharpen on grindstone; to improve oneself by practice[cedict]
出
chūㄔㄨ
to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to occur; to happen; classifier for dramas, plays, operas etc[cedict]
他
tāㄊㄚ
he; him[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]