馬ㄇㄚˇmǎ齒ㄔˇchǐ徒ㄊㄨˊtú增ㄗㄥzēng

  1. 自謙年歲徒增，而毫無成就。也作「馬齒徒長」。似碌碌無為﹑時光虛擲

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