Question

incumbent adj.职责所在的,负有...义务的 Incumbent comes from the Latin word incumbens, which means lying in or leaning on, but came to mean holding a position. It was first used in English for someone holding a church office, and then someone holding any office. You'll most likely hear it today for political officials. In a race for mayor, the incumbent mayor faces a challenger. Incumbent also means obligation. It is incumbent upon you to do the dishes. 1[N-COUNT 可数名词]现任官员；在职官员 An incumbent is someone who holds an official post at a particular time.   [ADJ n]  [FORMAL 正式]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。Incumbent is also an adjective....the only candidate who defeated an incumbent senator.唯一击败现任议员的候选人2[ADJ 形容词]成为责任的；义不容辞的；必须履行的 If it is incumbent upon you to do something, it is your duty or responsibility to do it.   [it v-link ADJ upon/on n to-inf]  [FORMAL 正式]It is incumbent upon all of us to make an extra effort.我们所有人都必须加倍努力。

Accepted Answer

[in'kʌmbənt] An incumbent is an official who holds an office. If you want to run for congress, you're going to have to beat the incumbent. ★★☆☆☆

英语单词	incumbent
英美音标	[in'kʌmbənt]
中文释义	adj.职责所在的,负有...义务的
vocabulary简明	An incumbent is an official who holds an office. If you want to run for congress, you're going to have to beat the incumbent.
vocabulary扩展	Incumbent comes from the Latin word incumbens, which means lying in or leaning on, but came to mean holding a position. It was first used in English for someone holding a church office, and then someone holding any office. You'll most likely hear it today for political officials. In a race for mayor, the incumbent mayor faces a challenger. Incumbent also means obligation. It is incumbent upon you to do the dishes.
柯林斯星级	★★☆☆☆
柯林斯解释	1 [N-COUNT 可数名词]现任官员；在职官员 An incumbent is someone who holds an official post at a particular time. [ADJ n] [FORMAL 正式] 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。 Incumbent is also an adjective. ...the only candidate who defeated an incumbent senator. 唯一击败现任议员的候选人 2 [ADJ 形容词]成为责任的；义不容辞的；必须履行的 If it is incumbent upon you to do something, it is your duty or responsibility to do it. [it v-link ADJ upon/on n to-inf] [FORMAL 正式] It is incumbent upon all of us to make an extra effort. 我们所有人都必须加倍努力。

Incumbent Holding Official Holds Office Means [Formal 正式