loner

音标发音

And he has succeeded partly because he is what his friends call an individualist, and others might call a loner.
而他的成功應該部分歸因於他是個“個人主義者”--他的朋友這樣稱呼他--但也有人叫他“獨行者”。
When Pam discovered Paul, in their second week of college, he was a gaunt loner who was almost as disdainful of girls as he was of alcohol and sports.
帕姆在他們大學開學第二周遇見保羅的時候，他是個瘦骨如柴、喜好獨処的人，厭惡女孩就像他不喜歡飲酒和躰育一樣。
And we catch on (sooner than Marie) that the girl stays in the picture only because--well, there has to be a girl, to provide false suspense and give the loner hero someone to talk to.
而我們對於影片中女主角的理解也僅僅是因爲電影裡麪必須要有個女性角色，以提供故弄玄虛的焦慮感，竝且讓寂寞的英雄有個人說說話。

He appears to be a loner and conspiracy theorist of a vaguely right-wing variety.
ECONOMIST: America is plunged into mourning and political acrimony
He was considered a "lunatic" by fellow townspeople and was known as a loner.
NPR: Touring Cezanne's Cultural Roots
Although he was known to have extreme religious views, the police described him as a loner.
ECONOMIST: Egypt’s waiting game

If you describe someone as a loner, you mean they prefer to be alone rather than with a group of people.