lawful

只有合法的文件才能作为法庭证据使用。

Only ___lawful documents can be used as evidence in court.

在紧急情况下，自卫被认为是合法的行为。

Self-defense is considered ___lawful in emergency situations.

在法庭上，法官确保所有程序都是合法的。

The judge made sure all procedures were ___lawful in the courtroom.