betray
cheat on
grass on
rat【导航词义:背叛】
betray v. 背叛;出卖;泄露
〔辨析〕主要指不忠于誓约或辜负信任;也可以指有意泄露秘密或出于无意暴露隐蔽的事物。
〔例证〕
He betrayed his country.
他背叛了祖国。
She betrayed the secrets of her company.
她泄露了公司的秘密。
A visible antler behind the tree betrayed the presence of the deer.
树后面露出的角暴露了鹿的藏身之地。
cheat on phr. v. 对…不忠
〔辨析〕尤指对配偶或性伴侣不忠。
〔例证〕
His wife has no idea that he has been cheating on her all along.
他的妻子不知道他一直对她不忠。
He claims that almost half of the women there cheat on their partners.
他声称那里的妇女几乎有一半对自己的伴侣不忠。
grass on phr. v. 〈英,非正式〉告密,告发
〔辨析〕主要指向警方告发某人的违法活动。
〔例证〕
He grassed on other accomplices.
他告发了其他同伙。
rat v. 〈非正式〉告发,告密; 〈英〉背信弃义
〔辨析〕主要指向掌权者告发某人,也指违背所作的承诺,常后接介词 on。
〔例证〕
They tried to find out who had ratted on them.
他们试图找出是谁出卖了他们。
They accused the local government of ratting on its promises.
他们指责当地政府没有履行承诺。