obligatory
adjective /əˈblɪɡətri/
/əˈblɪɡətɔːri/
- (formal) that you must do because of the law, rules, etc.
（按法律、规定等）必须的，强制的 - The college authorities have now made these classes obligatory.
学院管理部门现已将这些课程列为必修课。 - obligatory for somebody These classes are obligatory for all first-year students.
这些课程是所有一年级学生的必修课。 - obligatory to do something It is obligatory to report all cases of the disease to the authorities.
有义务向当局报告所有的病例。 - obligatory for somebody to do something It is obligatory for all employees to wear protective clothing.
所有员工必须穿防护服装。
Topics Permission and obligationc1- Muslims perform five obligatory prayers each day.
穆斯林每天进行五次强制性祈祷。 - Recently safety regulations have made it obligatory for all competitors to wear fist protectors.
最近，所有参赛者都必须按安全规定戴拳套。
Collocations Dictionaryverbs- be
- become
- remain
- …
- almost
- practically
- morally
- …
- for
- The college authorities have now made these classes obligatory.
- (often humorous) that you do because you always do it, or other people in the same situation always do it
习惯性的；随大溜的；赶时髦的 - In the mid-60s he took the almost obligatory trip to India.
60 年代中期，他也赶时髦到印度一游。
- The hotel has a terrace with comfy chairs for that obligatory cocktail.
这家旅馆有个露台，摆放着舒适的椅子，供人们喝上一杯那似乎是不可或缺的鸡尾酒。 - It's almost obligatory to have a blog nowadays.
如今几乎人人都得开博客。
Collocations Dictionaryverbs- be
- become
- remain
- …
- almost
- practically
- morally
- …
- for
- In the mid-60s he took the almost obligatory trip to India.
词源late Middle English: from late Latin obligatorius, from Latin obligat- ‘obliged’, from the verb obligare, from ob- ‘towards’ + ligare ‘to bind’.