这些动词均含“隐藏、隐蔽”之意。
conceal : 正式用词，多强调有目的、有意识，巧妙地进行隐藏或隐瞒。
- The listening device was concealed in a pen.
窃听装置藏在了笔里。 - I tried to conceal my surprise when she told me her age.
她告诉我她的年龄时，我尽力掩饰自己的惊讶。 - It was said that the police concealed vital evidence.
据说警方隐瞒了关键的证据。 - Is there something you're concealing from me?
你是不是有事瞒着我？
hide : 普通用词，既可指有意地隐藏，又可指无意或偶然地藏匿。
- He hid the letter in a drawer.
他把信藏在抽屉里。 - I keep my private papers hidden.
我藏起了我的私人文件。 - They hid me from the police in their attic.
他们把我藏在他们的阁楼上躲避警察。
screen : 指把处于被发现的人或物掩盖起来，使其不被发现。
- The mother tried to screen her guilty son.
母亲企图庇护她那有罪的儿子。 - Such state court orders may not, however, provide polluters with a complete screen from liability.
然而，这种州法院的命令不可能彻底地庇护污染者逃避责任。
