the main/primary/major focus The main focus of the discussion was the way in which women are portrayed in advertising. 讨论的主要焦点是女性在广告中是如何被刻画的。

+of At this point, the focus of the war moved to the Eastern Front. 在这一阶段，战争的中心移到了东部前线。

+for We have chosen six communities as the focus for our study. 我们选择了6个社区作为我们研究的重点。

focus of attention The teaching of basic mathematics has been a particular focus of our attention. 基础数学的教学一直是我们特别关注的焦点。

focus of concern The oil crisis became the focus of Western concern in the early 1970s. 石油危机成了20世纪70年代初西方国家关注的焦点。

+on I’ d like to see more focus on economic policy. 我希望看到对经济政策的更多关注。

strong/sharp focus The school puts a strong focus on academic achievement. 学校特别关注学术成果。

greater focus The report calls for greater focus on the needs of the poor. 该报告呼吁多加关注穷人的需求。

shift/change/move the focus They are trying to shift the focus more towards domestic policy. 他们正努力把注意力更多地转向国内政策。

bring/throw sth into focus (=make people pay particular attention to it) The issue of pedestrian safety has been brought sharply into focus this week. 使某物成为关注的焦点

All the lessons have a very clear focus. 所有课程都有很明确的目的。

I think this marketing campaign has lost its focus. 我认为这次销售活动偏离了本来的宗旨。

lack focus A lot of young adults seem to lack focus in their lives. 许多青年人在生活中似乎缺少明确的目标。

in focus (=able to be seen clearly) Some of the photographs aren’ t quite in focus. 对准焦点的；清晰的

come into focus (=start to be seen clearly) Dad’ s face gradually came into focus in the viewfinder. 开始清晰起来

out of focus (=not able to be seen clearly) Some of the shots seemed to be out of focus. 焦点未对准的；模糊不清的