late 14c., "unknown person, foreigner," from strange + -er (1) or else from Old French estrangier "foreigner" (Modern French étranger), from estrange. Latin used the adjective extraneus as a noun to mean "stranger." The English noun never picked up the secondary sense of the adjective. As a form of address to an unknown person, it is recorded from 1817, American English rural colloquial. Meaning "one who has stopped visiting" is recorded from 1520s.
实用例句
1. If a stranger stops you, just wind the window down a fraction.
如果有陌生人拦你的车，把车窗摇下一点点就行。
来自柯林斯例句
2. To her annoyance the stranger did not go away.
让她恼火的是，那个陌生人并没有走。
来自柯林斯例句
3. Telling a complete stranger about your life is difficult.
要对一个素昧平生的人谈自己的生活经历是比较困难。
来自柯林斯例句
4. Bernard was once collared by an aggressive stranger in Soho.