focus /BrEˈfəʊkəs; NAmEˈfoʊ‑/ (-s-or-ss-) ●ˈfocus on sb/sth●ˈfocus sth on sb/sth ( ˈfocus upon sb/sth, ˈfocus sth upon sb/sthmore formal) 1.to give all your attention, effort, etc. to a particular problem, subject or person集中（注意力、精力等）于；全力以赴做◆Suspicion focused on her husband. 怀疑集中到了她丈夫身上。◆The programme was intended to focus attention on global warming. 议程计划集中讨论全球变暖问题。2. (of eyes, a camera, etc.眼睛、相机等) to be adjusted so that things can be seen clearly; to adjust sth so that you can see things clearly注视；聚焦◆Rest your eyes by letting them focus on distant objects. 眺望远处的景物，让眼睛放松一下。◆The camera was focused on an old woman. 镜头对准了一位老妇人。[v + prep][v + n/pron + prep]