focus on

US /ˈfoʊkəs ɑːn/
UK /ˈfoʊkəs ɑːn/
"focus on" picture
1.

专注于, 聚焦于

to give all your attention to something

:
Please focus on your studies.
专注于你的学习。
It's hard to focus on work with all this noise.
在这么多噪音下很难专注于工作。