obligatory
adj. 必须的; 应尽的; 义务的; 强制性的
If something is obligatory, you must do it because of a rule or a law.
Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory...
大多数处于妊娠期的妇女将被建议接受超声波检查,不过这不是强制性的。
These rates do not include the charge for obligatory medical consultations.
这些费用不含必要的就诊费。
If you describe something as obligatory, you mean that it is done from habit or custom and not because the person involved has thought carefully about it or really means it.
His lips curved up in the obligatory smile, acknowledging the compliment...
他嘴边礼节性地挤出一个微笑,以示对称赞致谢。
She was wearing the obligatory sweater and pearl necklace.
她穿着那件经常穿的毛衣,戴着那串惯常戴的珍珠项链。
1. morally or legally constraining or binding;
2. required by obligation or compulsion or convention;
Every school has an obligatory psychotic jackass.
每个学校都会有一个神经质的笨蛋.
Is this business trip obligatory?
这次出差是不是规定的?
Is not a visit to Mr. George obligatory?
是不是必须我拜访乔治先生?
Attendance at primary school is obligatory.
上小学是义务的.
The majority of the countries in the world have relevant regulations concerning notarial obligatory right documents.
世界上大多数国家,均有关于赋予强制执行效力公证债权文书的规定.