必須 biˋ xuˉ

(Had to, Has to, Have to, Having to, Must, Need, Obligatory, Require, Required, Requires, Requiring, To have to, To require)

Must, Need, To require, To have to (be), Require, Requires, Requiring, Required, Have to, Has to, Having to, Had to, Obligatory

須知 xuˉ zhiˉ

(Policy)

Policy

知道 zhiˉ daoˋ

(Knew, Know, Knowing, Known, Knows, To know)

To know, Know, Knows, Knowing, Knew, Known

必

Certainly, Must, Necessary, Will

Must, Certainly, Necessary, Will

須

Beard, Have, Must, Mustache, Short moment, Whiskers

Must, Have, Short moment, Beard, Mustache, Whiskers

知

Be Aware, Comprehend, Know, Perceive, Realize

Know, Perceive, Realize, Comprehend, Be Aware

道

Direction, Method, Path, Principle, Skill, Spiritual, Way

Path, Direction, Way, Skill, Method, Principle, Spiritual path