注ちゅう意いを集しゅう中ちゅうする

expression, suru verb (irregular)

concentrate one's attention; focus; be engrossed in

A set phrase meaning to direct one's full attention to something. Often used when one needs to focus on a task or object.

• 試し験けん中ちゅうは問もん題だいに注ちゅう意いを集しゅう中ちゅうしなければならない。

  During the exam, you must concentrate your attention on the questions.

• 彼かれは研けん究きゅうに注ちゅう意いを集しゅう中ちゅうしている。

  He is engrossed in his research.