adj.負(fù)有義務(wù)的；憑依的

n.在職者；領(lǐng)圣職的俸祿的牧師

It is incumbent on me to reclaim him. 勸他改過是我義不容辭的義務(wù)。

I think it's incumbent upon us to support him. 我變?yōu)橹С炙俏覀兞x不容辭的責(zé)任。

It is incumbent upon justice to give some warnings of their doubt about a case. 法官有責(zé)任提醒人們有關(guān)他們對案件的疑問。

incumbent用作形容詞作“在職的”解時常用作定語；作“義不容辭的”解時常用作表語，其后常接“on〔upon〕 pron. +to- v ”結(jié)構(gòu)。