required by a legal, moral, or other rule; compulsory
(根据法律、道德标准或其他规章的规定)应承担义务的,必须履行的;强制性的
-
use of seat belts in cars is now obligatory .如今在车上系安全带是强制性的规定。
〈常幽默〉 (依照习惯或风尚)少不了的;必有的
-
after the obligatory preamble on the weather he got down to business .在习惯性的关于天气的开场白之后他开始了正题。
(of a ruling)having binding force
(规定,裁决)有约束力的
-
a sovereign whose laws are obligatory .其法律有约束力的主权国家。
"late Middle English: from late Latin