刘雅妍在英语中可以说成 "Yanyan Liu"。刘是中文姓氏，在英语中可以读作 "Liu"。雅妍是中文名字，在英语中可以读作 "Yanyan"。例句：
"Hi, my name is Yanyan Liu. It's nice to meet you." (你好，我叫刘雅妍。很高兴认识你。)
"Yanyan Liu is a great person. She is always kind and helpful." (刘雅妍是一个优秀的人。她总是很善良和乐于助人。)
"I'm studying with Yanyan Liu. She is very smart and always gets good grades." (我和刘雅妍一起学习。她非常聪明，成绩总是很好。)