少

shǎo few; less; to lack; to be missing; to stop (doing sth); seldom

shào young

壮

Zhuàng Zhuang ethnic group of Guangxi, the PRC's second most numerous ethnic group; Zhuang: Bouxcuengh

zhuàng to strengthen; strong; robust

不

bù (negative prefix); not; no

努力

nǔ lì great effort; to strive; to try hard

， 老大徒伤悲

lǎo dà tú shāng bēi vain regrets of old age (idiom)