他全神贯注。

He is giving his whole attention to that.

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 全神贯注 quánshénguànzhù (idiom) to concentrate one's attention completely; with rapt attention