incumbent
US
UK incumbent adj: (person: current, in office) (人)
SC 在位的，现任的 zài wèi de
The incumbent mayor has done a good job in his time in office.
现任市长在任职期间干得很不错。
incumbent on [sb], incumbent upon [sb] adj + prep: (obligatory for [sb])
SC 对...来说必须履行的
SC 对...来说有义务的
The duty of managing finances is incumbent on the organization's treasurer.
对于一个公司的出纳来说，管理财务是必须履行的义务。
incumbent on [sb] to do [sth], incumbent upon [sb] to do [sth] expr: (obligatory for [sb])
SC 某人必须履行某事
SC 某人有义务做某事
It is incumbent on the bride's father to make a speech at the wedding.
新娘的父亲有义务在婚礼上致辞。
incumbent n: (person in office)
SC 在位者，现任者 xiàn rèn zhě
The incumbent wins in most elections.
在绝大多数选举中，都是现任者胜出。
incumbent on [sth], incumbent upon [sth] adj + prep: archaic (resting on)
SC 倚靠在...上
SC 躺在...上
The man was incumbent on his bed.