他的恶意行为给整个团队带来了麻烦。

His ___malicious actions caused trouble for the whole team.

他在社交媒体上发布了恶意的评论，试图伤害她的感情。

He posted ___malicious comments on social media to hurt her feelings.

千万不要点击陌生邮件中的附件，它们可能包含恶意软件。

Never open attachments from unknown emails as they may contain ___malicious software.