convince=con（fully）+ vin（win）+ ce完全的征服，“使确信”，搭配convince sb. of sth.让某人确信某事，例：How can I convince you of his honesty? 我如何才能让你相信他是诚实的呢？
discover=dis（not）+ cover动词“发现；发觉”，例：They discovered that their luggage had been stolen.他们发觉行李被偷了。
uncover=un + cover“揭露；打开（覆盖物）”，如uncover the truth of the matter揭露事实真相，uncover the bottle打开瓶盖
