I quite understand that you need some time alone.
我很理解你需要独自静一会。
I don't like going out alone at night.
我不喜欢夜晚单独外出。
Would you mind leaving us alone for a few minutes?
你不介意让我们单独待一会吧？
It was her first experience of living alone.
那是她第一次单独生活。
I've told you before ─ leave my things alone!
我告诉过你——别碰我的东西！