- 我妹妹经常哭。
My sister often cries.
- 我妹妹21岁，是个大学生。
My sister is twenty-one years old and a college student.
- 我妹妹嫁给了一个医生。
My sister married a doctor.
- 我的妹妹还没到上学的年龄。
My sister is too young to go to school.
- 你可能误认珍为他的妹妹。
You may have mistaken Jane for his sister.
- 我妹妹每周上两次钢琴课。
My sister takes piano lessons twice a week.
- 弹钢琴的女孩是我妹妹。
The girl playing the piano is my sister.
- 她和她妹妹一样亲切。
She is no less kind than her sister is.
- 我妹妹的英语有了明显的进步。
My sister has made remarkable progress in English.
- 他会是我妹妹的好丈夫的。
He will be a good husband to my sister.
