incumbent

英 [ɪnˈkʌmbənt]

美 [ɪnˈkʌmbənt]

n. 在职者; 现任者
adj. 在职的; 现任的; 有责任; 必须履行

复数：incumbents　

Collins.2 / BNC.11460 / COCA.7904

牛津词典

noun

在职者；现任者
a person who has an official position
1. the present incumbent of the White House
  现任美国总统

adj.

在职的；现任的
having an official position
1. the incumbent president
  现任总统
有责任；必须履行
necessary as part of sb's duties
1. It was incumbent on them to attend.
  他们必须出席。

N-COUNT 现任官员;在职官员
Anincumbentis someone who holds an official post at a particular time.
1. In general, incumbents have a 94 per cent chance of being reelected.
  通常现任官员有 94% 的几率会再次当选。
2. Incumbentis also an adjective.
3. ...the only candidate who defeated an incumbent senator.
  唯一击败现任议员的候选人
ADJ 成为责任的;义不容辞的;必须履行的
If it isincumbent uponyoutodo something, it is your duty or responsibility to do it.
1. It is incumbent upon all of us to make an extra effort.
  我们所有人都必须加倍努力。

noun

adj

currently holding an office
1. the incumbent governor
necessary (for someone) as a duty or responsibility
1. it is incumbent on them to pay their own debts
lying or leaning on something else
1. an incumbent geological formation

It is the inevitable rivalry between an incumbent superpower and a rapidly rising one.
其根源在于一个现任超级大国与另一个快速崛起的超级大国间不可避免的竞争。
I want to appreciate my wife ( incumbent), is you of the comprehension just had me today of result;
我要感谢我的妻子（现任），是你的理解才有了我今天的成绩；
Without an occupant or incumbent.
没有占有者或者在职者。
I thought it's incumbent upon us to support him.
我变为支持他是我们义不容辞的责任。
Nearly complete but still preliminary-and controversial-results show Afghanistan's incumbent as the winner in the country's presidential election.
阿富汗选举结果统计即将完成却仍然是初步的，而且是有争议的。现有的计票结果显示，现任总统赢得了阿富汗总统大选。
Incumbent may be required to perform other related duties.
任职者可能被要求执行其他相关的职责。
The incumbent should also have manufacturing and inventory control knowledge.
具有生产和库存控制知识；
It's incumbent on you to advise your son before he leaves home.
在你儿子离家前给他忠告是你义不容辞的事。
It is incumbent upon all of us to make an extra effort.
我们所有人都必须加倍努力。
It is profitable for traders and incumbent polluters.
对于交易者和负有责任的排污者而言，它是有利可图的。