马齿徒增

mǎ chǐ tú zēng

(self-deprecating) to have grown old without accomplishing anything (idiom)

abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

齿

chǐ

tooth

(bound form) disciple; apprentice; believer; (derog.) wrongdoer (as in 騙徒|骗徒[pian4 tu2] "swindler" or 叛徒[pan4 tu2] "traitor" etc)

zēng

(bound form) to increase; to augment; to add to