mandatory

强制的；托管的；命令的英释中释adjif something is mandatory, the law says it must be done

受托者（等于mandatary）中释n

1 mandatory standard,n. 强制性标准，法定标准；推荐性标准

2 mandatory provident fund,强制性公积金

3 mandatory measures,指令性措施

4 mandatory requirement,强制性要求；必须遵循的要求

1 Murder carries a mandatory life sentence ..谋杀罪依照法律要判无期徒刑。

2 The Council has made it mandatory for all nurses to attend a refresher course every three years..理事会规定所有护士必须每三年参加一次进修课程。