蹉跎 cuōtuó (1) [waste time as making faltering steps] 时间白白地去;虚度光阴 欲自修而年已蹉跎。

——《晋书·周处传》

——三国 魏·阮籍《咏怀诗》

日月蹉跎 (2) [slip and fall;take a wrong step in life]∶失足 蹉跎岁月 cuōtuó-suìyuè [let time slip by without accomplishing anything;idly away one's time] 时光流逝而无所作为,形容浪费时间,虚度年华参考资料：字典