anonymous/əˈnɒnɪməs/adj.匿名的;不知名的
【短语】:anonymous methods(匿名方法)
【经典例句】:The donor prefers to remain anonymous.(捐赠者希望不披露姓名。)
【真题复现】:Then the kids were handed chocolate coins, and given a chance to share them with an anonymous child.【2019-Text 1】