To Concentrate
To Focus
する verb
You collect and focus in on the middle. Really zoom in on it. When you do this, you're concentrating on this spot, thus making the meaning of this word to concentrate or to focus.
しゅうちゅうする
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
みんなが集中すればこの仕事は五時までに終わるはずだよ。
This work should be done by five if everyone concentrates.
今は、一番大事な仕事に注意を集中させた方がいいよ。
Right now you should be focusing on your most important task.
現在、トーフグチームはXXXという秘密のプロジェクトに集中し、全力で取りかかっています。
Currently, Team Tofugu is concentrating on a secret project called XXX.