/,aʊt'saɪdə(r); aut`saɪdɚ/ n
1 person who is not (or is not accepted as) a member of a society, group, etc 外人; 局外人; 组织之外的人
*Although she's lived there for ten years, the villagers still treat her as an outsider. 她虽然在那儿住了十年, 村里人仍视她如外人.
* Women feel like outsiders in that club. 女子在那个俱乐部里感觉是外人.
2 competitor thought to have little chance of winning a race or contest 不大可能获胜的竞争者
*That horse is a complete outsider; I wouldn't waste your money on it. 那匹马绝无获胜可能, 我要是你可不把钱压在它身上.
* Amazingly, the job went to a rank outsider. 真怪, 那工作竟然交给了一个万万想不到的人.

n[C]
someone who is not accepted as a member of a particular social group
→insider
　I'm an outsider, the only foreign woman in the group.
to an outsider
　To an outsider, the system seems complex and confusing.
someone who does not belong to a particular company or organization or who is not involved in a particular activity
→insider
　a political outsider who is running for governor
someone who does not seem to have much chance of winning a race or competition
rank outsiderBrE
　Last year he was a rank outsider for the title.