My sister came to China last year.
我妹妹去年来了中国。
A How about your family? Do you have brothers or sisters?
A 你的家人怎么样？你有兄弟姐妹吗？
B Yes, I’ve got one sister. She’s a few years younger than me. She’s a student, still studying at university.
B 是的，我有一个妹妹。她比我小几岁。她是一个学生，还在上大学。
A Has she been to China?
A 她来过中国吗？
B Yes. My sister came to China last year. She went to lots of places.
B 是的。我妹妹去年来了中国。她去了很多地方。
A Did you take her round all the tourist sights?
A 你领她转了所有的旅游景点了吗？
B Yes, I did. I think she would love to come back and maybe work here in Beijing.
B 是的。我想她愿意再来北京，也许在这里工作。

Notes注释
1 You can describe someone’s age compared to yourself, using younger / younger or older / older, e.g.: She’s a few years younger than me / She’s a few years younger than me; My brother is five years older than me / My brother is five years older than me.
你可以通过和你对比来描述某人的年龄，用younger / 年纪小的 或者 older /年纪大的 ,例如She’s a few years younger than me / 她比我小几岁； My brother is five years older than me /我的哥哥比我大五岁。
2 If you act as a guide and show someone a place, or a city, you can use the verb take round / take round, e.g. I took my sister round all the sights in Beijing / I took my sister round all the sights in Beijing.
如果你作为导游领某人参观某地或者某个城市，你可以用动词短语take round /领. . .到处转转。例如：I took my sister round all the sights in Beijing /我领我的妹妹在北京的所有景点转了转。

Key phrases and sentences
How about your family? 
Do you have brothers or sisters?
Yes, I’ve got one sister. 
She’s a few years younger than me. 
She’s a student, still studying at university.
Has she been to China?
Yes. My sister came to China last year. 
She went to lots of places.
Did you take her round all the tourist
sights?Yes, I did. 
I think she would love to come back and
maybe work here in Beijing.

你的家人怎么样？你有兄弟姐妹吗？
是的，我有一个妹妹。
她比我小几岁。
她是一个学生，还在上大学。
她来过中国吗？
是的。我妹妹去年来了中国。
她去了很多地方。
你领她转了所有的旅游景点了吗？是的。
我想她愿意再来北京，也许在这里工作。