爱华网uncover: to removesth that is covering sth;to discover sth that was previously hiddenor secret.
主要指移去遮盖物让东西显露出来，也可指揭露阴谋秘密等。
eg: Please uncoverthe saucepan.
The police have uncovered a plot.警察当局侦破了一起阴谋。
expose: to tell thetrue facts about a person or a situation, and show them/it to beimmoral,illegal；to show sth that isusually hidden.
多指揭露丑闻，坏人坏事或各种阴谋。也可指某物暴露在外。
eg: He smiled suddenly, exposing a set of amazinglywhite teeth.
I will expose hisall lawless action.
disclose: to give sbinformation about sth,especially sth that was previouslysecret.
侧重指揭露或泄露鲜为人知或保密的事。
eg: Science candisclose the mysteries of nature.
Itwas suggested that all government ministers should discloseinformation on their financial interests.
reveal: to make sthknown to sb. 多指揭露一直隐藏或隐秘的东西。
eg: These fewwords fully revealed her noble quality.
