stranger
/ˈstreɪndʒə(r); `strendʒɚ/ n
1 person that one does not know 陌生人
I'd met Anna before, but her friend was a complete/total stranger to me. 我见过安娜, 但从未见过她那位朋友.
Our dog barks at strangers. 我们那只狗见了生人就汪汪叫.
2 person in a new or an unfamiliar place or with people that he does not know 外地人; 异乡人; 外人
I'm a stranger in this town, ie I do not know my way around it. 我在这个城镇里人地生疏.
3 (idm 习语) be a/no stranger to sth (fml 文) beunaccustomed/accustomed to a certain feeling, experience,condition, job, etc 不惯於[习惯於]某种感情、 经历、 状况、 工作等
He's no stranger to misfortune, ie He has experienced it before. 他饱经忧患.