不合法的

It is not lawful to park in front of a hydrant.

在消火栓前停车是不法的。

Prize-fighting remained popular, though technically illegal, until the 1880s.

在19 世纪80 年代以前，职业拳击比赛虽然严格来说是不法的，很受欢迎。

Once brawny muscles have been acquired, whether licitly or illicitly, other genes might then be used to tune their activity.

旦获得强健的肌肉（不管是法是不法），其它的基因就可以用来调整肌肉的活动方式。