焦しょう点てんを絞しぼる

expression, godan verb (-ru)

narrow the focus; focus attention; concentrate; zero in

Used when narrowing a topic, discussion, or investigation to a specific point. Often followed by ～に or ～へ to indicate the target.

• 議ぎ論ろんの焦しょう点てんを絞しぼる必ひつ要ようがある。

  We need to narrow the focus of the discussion.

• 捜そう査さ当とう局きょくは容よう疑ぎ者しゃに焦しょう点てんを絞しぼっている。

  Investigators are zeroing in on the suspect.