He carry out a felonious act.

他犯了一个重罪。

It is a misdemeanor to show movies that depict acts of felonious crime.

播放描述重罪犯罪行为的影片是轻罪.

One way to avoid the need for chases would be to track felonious vehicles electronically, instead of running after them.

避免追逐需要的一种办法是用电子追踪犯重罪车辆来代替驾车追捕他们。

He pleaded guilty to felonious assault, along with aggravated assault for an unrelated incident (for which he received 18 months to be served concurrently).

他承认犯有人身攻击罪，并承认在另一起无关的事件中犯有严重的人身伤害罪（为此他被同时判处18个月的刑期）。