1.disguise的基本意思是“假扮,化装,伪装”,指用伪装使某人〔物〕的外观或声音异常,引申可表示“掩盖,掩饰”,常指遮掩或隐藏真实的感情或用意。
2.disguise可接名词或代词作宾语,也可接以as短语充当宾语补足语的复合宾语; 常与介词with连用表示“用…装扮〔伪装,掩饰〕”。

disguise in (v.+prep.)
以…伪装〔掩饰〕… hide the real appearance of sb/sth by covering with sth
▲disguise sth in sth
The firm tried to disguise its failure in false statements.该公司想发表假声明来掩盖其失败。

disguise with (v.+prep.)
以…掩盖〔掩饰〕; 伪装… hide sth by means of sth
▲disguise sb/sth with sth
She disguised the spots on her face with make-up.她用化妆品盖住脸上的斑点。
He disguised himself with a wig and false beard.他用假发和假胡须来乔装。

用作及物动词
▲S+～+n./pron.
She disguised herself as a man, but she couldn't disguise her voice.她假扮成男人,但改不了声音。
It is impossible to disguise the fact that business is bad.生意不好这件事无法隐瞒。
用作宾补动词
▲S+～+n./pron.+as n.
They disguised themselves as students.他们都装扮成了学生。
◇ 用于be ～ed结构
The chieftain of that country is disguised as a benefactor this time.那个国家的首领这一次伪装出一副施恩者的姿态。

disguise oneself as, be disguised as
两者意境不全一样:前者往往含有“一贯如此”的意味; 而后者含有“偶然如此”的意味。

The spy's disguise was soon penetrated.间谍的伪装不久便被识破了。
He went among the drug dealers in disguise.他化装混到毒品贩子当中。
This false beard is his disguise.这假胡子是他的伪装用品。

［词源］＜古法语desguisier(假装,伪装)