我叫孙倩,我今年9岁了,我喜欢唱歌和跳舞我喜欢的老师是段老师用英语怎么说？

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可以这样翻译：
My name is sun Qian. I'm 9 years old. I like singing and dancing. My favorite teacher is Teacher Duan.

或者

I am sun Qian. I'm 9 years old. I like both singing and dancing. My favorite teacher is Teacher Duan.
我叫孙倩,我今年9岁了,我喜欢唱歌和跳舞我喜欢的老师是段老师用英语怎么说？
如下：My name is Sun Qian. I am nine years old, and I like singing and dancing. The teacher I most like is teacher Duan.
My name is Sun Qian. I'm 9 years old. I like singing and dancing. My favorite teacher is Mr. Duan.