少壮不努力， 老大徒伤悲

少壮不努力， 老大徒伤悲 [shào zhuàng bù nǔ lì lǎo dà tú shāng bēi]

1. ■ It will be too late to bewail the time wasted in one's youth.; A man who does not work hard in his youth will be grieved when he grows old.; An idle youth, a needy age.; A young idler, an old beggar.; Idly young, needily old.; If one does not exert oneself in youth, he will regret in old age.; One who misspends his youth will grieve in vain in old age.