He swore foully.

他恶毒地诅咒。

She had been foully murdered during the night.

她在夜间被残忍地谋杀了。

Two policemen were foully murdered.

两个警察被残忍地杀害了。

When you say that I murdered him treacherously and foully, you lie.

你说我狡猾而肮脏地谋杀了他时，你说的是谎言。