[countable, uncountable] the person in charge of a group of people or an organization
负责人；领导人◆I am the head of a small company.
我是一家小公司的负责人。◆a meeting of department heads
部门领导会议◆She resigned as head of marketing.
她辞去了营销部门主管的职务。◆the head buyer of women's wear
女装的头号买手  ➡  see note at responsibility ●a/per ˈheadfor each person
每人◆The meal worked out at $50 a head.
这顿饭每个人花费了 50 元。●get your ˈhead around/round sthto be able to understand sth
能够理解某事◆Once we've got our heads around this problem, we can start to suggest solutions.
我们一旦能够理解这个问题，就可以开始寻求解决办法。●have/get/keep your ˈhead downto start/continue to work very hard
继续努力工作◆Let's just get our heads down and finish the project.
让我们继续努力把项目完成。●have a ˈhead for sthto be good at sth
擅长某事◆a hardworking manager with a good head for business
勤劳的、擅长经商的经理●have/get/give sb a head ˈstart (in sth/on sb/over sb)to have or give sb an advantage at the beginning of sth
带来优势；给予某人（做某事的）优势◆This course will give you a head start in your career.
这门课程将可为你的事业带来优势。◆The competition had a one-year head start on us (= they produced the product one year before we did).
这竞争对手比我们拥有一年的优势（他们比我们早一年生产这产品）。●heads will ˈroll (informal) used to say that some people will be punished because of sth that has happened
有些人（将为某事）受到惩罚●(be) in over your ˈhead(be) involved in sth that is too difficult for you to deal with
卷入棘手的事◆After a week in the new job, I soon realized that I was in over my head.
在新岗位上工作了一周之後，我很快意识到自己被卷入了棘手的事情之中。●keep your ˈhead above waterto deal with a difficult situation, especially one in which you have financial problems, and just manage to survive
设法生存；勉强逃脱困境◆The French company is struggling to keep its head above water.
这法国公司正在勉强挣扎求存。●over sb's ˈhead

1. too difficult or complicated for sb to understand
   过於复杂；难以理解◆Much of the technical information was over my head.
   许多技术资料对於我来说都太复杂。