He chose to be a loner, going to classes and to the library on his own.

他选择了独来独往，一个人去上课，一个人去图书馆。

youdao

He was suspected to be a loner with difficulty experienced during relationships.

他怀疑是孤家寡人的困难所经历的人际关系。

youdao

Snakes prefer to be a loner, relying strongly on their own intuition and judgment, and have little faith in other's judgment.

属蛇的人喜欢独处，非常依赖自己的直觉和判断，而对他人的判断没有太大信心。

youdao

He appears to be a loner and conspiracy theorist of a vaguely right-wing variety.

ECONOMIST: America is plunged into mourning and political acrimony

Both during his thirty years as a revolutionary and his subsequent thirty years as a resister, Einstein remained consistent in his willingness to be a serenely amused loner who was comfortable not conforming.

NPR: Einstein: Relatively Speaking, a Complicated Life

Paul, who was found living in a children's home, looked so pained way back then, so deeply unsure of himself, that it was almost painful to watch him speak, and hard not to see him as a loner-to-be.

WSJ: Film Review: Life, Not by the Numbers by Joe Morgenstern