他游到不能游为止。

He swam until he could swim no more.

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 游 Yóu surname You
=2 游 yóu
  1. to swim
  2. variant of 遊 yóu
=2 游 yóu
  1. to walk
  2. to tour
  3. to roam
  4. to travel
3 到 dào
  1. to reach; to arrive
  2. to leave for; to go to
  3. to (a place); until (a time); up to (a point)
  4. (verb complement indicating arriving at a place or reaching a point)
  5. considerate; thoughtful; thorough
4 不能 bùnéng
  1. cannot
  2. must not
  3. should not
=5 游 Yóu surname You
=5 游 yóu
  1. to swim
  2. variant of 遊 yóu
=5 游 yóu
  1. to walk
  2. to tour
  3. to roam
  4. to travel
6 为止 wéizhǐ
  1. until
  2. (used in combination with words like 到 dào or 至 zhì in constructs of the form 到...為止...为止)