sister

My younger sister is currently studying biology at the university while I am working as a high school teacher.

(Chinese) 我的妹妹目前在大学学习生物，而我则是一名高中教师。

The three sisters decided to go on a vacation together to Italy to celebrate their mother's retirement.

(Chinese) 三姐妹决定一起去意大利度假，庆祝母亲退休。

The Ward Sister gave the junior nurses detailed instructions on how to care for the post-surgery patients tonight.

(Chinese) 护士长就今晚如何护理手术后病人向初级护士做了详细指示。

You should ask the Sister if the patient is allowed to have any visitors in the intensive care unit.

(Chinese) 你应该问问护士长，重症监护室里的病人是否允许有人探视。