蹉跎

cuōtuó
  1. (literary) to slip
  2. (of looks etc) to fade away
  3. (of time) to slip away
  4. to squander (time, opportunities); to dillydally

CEDICT

literary

Entry Composition

1 蹉 cuō
  1. to error
  2. to slip
  3. to miss
  4. to err
2 跎 tuó
  1. to stumble
  2. to waste time