incognito

形容词 incognito:

1. with your identity concealed

副词 incognito:

1. without revealing one's identity

1. He didn't want to be recognized, so he travelled incognito.
   他不想被人认出，所以出行时隐瞒身分。

in.cog.ni.to

adv.（副词）
adj.Abbr. incog.（形容词）缩写 incog.
With one`s identity disguised or concealed.
隐姓埋名地，化名地：用伪装或隐匿的身份地
n.（名词）
【复数】 in.cog.ni.tos
One whose identity is disguised or concealed.
隐匿姓名身份者，隐姓埋名者
The condition of having a disguised or concealed identity.
隐姓埋名，匿名：隐匿姓名身份或隐姓埋名的情况

来源：
Italian
意大利语
from Latin incognitus [unknown]
源自 拉丁语 incognitus [未知的]
in- [not] * see in-
in- [不] *参见 in-
cognitus [past participle of] cognôscere [to learn, recognize] * see cognition
cognitus [] cognôscere的过去分词 [知道，认出] *参见 cognition