cheat /tʃiːt/ ► SEE ALLcheat sb of sthcheat on sbcheat sb out of sth●ˈcheat sb of sth ( ˌcheat sb ˈout of sth) to prevent sb from having sth, especially in an unfair or dishonest way（尤指以不正当或不诚实的手段）阻止…得到；骗出◆He had cheated the taxman of £60 000. 他骗税务员少收了 6 万英镑。◆He was cheated out of his rightful inheritance. 有人骗走了他本应获取的遗产。[v + n/pron + prep][v + n/pron + adv + prep]●ˈcheat on sbto secretly have sex with sb who is not your regular partner对（伴侣）不忠；背着（配偶）偷情◆He was the last to know that she had been cheating on him. 她早已红杏出墙，而他却是最后一个才知道。OBJwife, partner, etc.[v + prep]➡ SYNONYMS 同义词辨析cheat on sb betray sb ◇ be unfaithful to sb ◇ cheat on sb ◇ commit adultery ◇ play around These verbs all mean to have a sexual relationship with sb who is not your usual partner.这些动词都表示对伴侣不忠。 betray sb (literary, disapproving) (of sb who is married or who has a regular sexual partner) to have a secret relationship with sb else（对性伴侣）不忠，出轨，偷情She could not believe that Sergio had betrayed her.她无法相信塞尔吉奥对她不忠。 be unfaithful to sb (of sb who is married or who has a regular sexual partner) to have a secret relationship with sb else（对性伴侣）不忠，出轨，偷情Have you ever been unfaithful to him?你有过外遇吗？ cheat on sb (not formal, disapproving) (of sb who is married or who has a regular sexual partner) to have a secret relationship with sb else（对性伴侣）不忠，出轨，偷情He's cheating on his wife.他背着妻子偷情。 commit adultery (formal) to have sex with sb who is not your husband or wife通奸She was accused of committing adultery.她被控通奸。 play around (informal) to have a sexual relationship with sb who is not your usual partner偷情；乱搞男女关系Her husband is always playing around with other women.她丈夫总是拈花惹草。 WHICH WORD? Cheat on sb is slightly less formal than be unfaithful to sb. If you use be unfaithful to sb, you are not making any obvious moral judgement about a person's actions; using cheat on sb suggests that you find such an action dishonest and unacceptable. Play around is more often used to talk about men than women; it is often used about a man who has sexual relationships with more than one other woman. * cheat on sb 比 be unfaithful to sb 略显不正式。用 be unfaithful to sb 时，对此种行为并无明显的道德判断；用 cheat on sb 时，则表示此种行为不诚实、不可接受。play around 多用于指男性，并且常用于指与多名女性有染的男性。 PATTERNS AND COLLOCATIONSto cheat on / be unfaithful to your girlfriend / boyfriend / partnerto cheat on / be unfaithful to / betray your husband / wife / lover●ˌcheat sb ˈout of sth➡cheat sb of sth