他消失了，不留一丝踪迹。

He disappeared without a trace.

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
2 消失 xiāoshī to disappear; to fade away
=3 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=3 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=3 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=3 了 liào unofficial variant of 瞭 liào
4 不留 bùliú
  1. to not care about; to not indulge in
  2. to not keep someone; to not urge someone to stay
  3. to not retain
  4. to not stay
5 一丝 yīsī a tiny bit
6 踪迹 zōngjì
  1. tracks
  2. trail
  3. footprint
  4. trace
  5. vestige