2.He's a malicious and malevolent malefactor and gangster.
他是一个恶毒,坏心肠,匪。
3.We must thwart his malevolent schemes.
我们决不能让他恶毒阴谋得逞。
4.As the president of France and former EU presidency, facing such malevolent act conduced by both the Russians and the Americans, I consider this issue very incomprehensive.