incognito

incognito
[ˌɪnkɒgˈniːtəʊ, ɪnˈkɒgnɪtəʊ]
adjective& adverb
  1. (of a person) having one's true identity concealed
    (人)隐姓埋名的(地),隐瞒身份的(地),化名的(地)
    [as adj.]in order to observe you have to be incognito.
    你必须隐姓埋名以便观察。
    [as adv.]he is now operating incognito.
    他正化名工作。
(pl. -os)
  1. an assumed or false identity
    虚假身份
语源
  1. mid 17th cent.: from Italian, literally unknown', from Latin incognitus, from in- 'not' + cognitus (past participle of cognoscere 'know')
英语宝典
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