Definition
to engage in sexual activities with numerous partners or with individuals other than one’s spouse
乱搞男女關係；濫交
He screws around in his marriage, engaging in sexual activities with many others, which is really irresponsible.
他在婚姻中亂搞，與許多人發生性關係，這真的非常不負責任。
She told me that her boyfriend has been screwing around while they were dating.
她告訴我，她的男朋友在他們交往期間一直在亂搞。
This behavior not only hurts her but also destroys their trust.
這種行為不僅傷害了她，還摧毀了他們的信任。