n the recipient of a mandate
n a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves
s required by rule
a. 命令的, 托管的
[经] 受托者, 命令者
1. Wearing a helmet is mandatory when riding a motorcycle.
骑摩托车时佩戴头盔是强制性的。
2. It is mandatory for all employees to attend the safety training.
所有员工必须参加安全培训，这是强制性的。
3. The school has a mandatory dress code for students.
学校对学生有强制性的着装规定。