"你好我亲爱的妈妈" 用英语可以说成 "Hello, my dear mother."

"Hello" 是英语中常用的问候语，意思是 "你好"。 "My" 是形容词，意思是 "我的"。"Dear" 是形容词，意思是 "亲爱的"。 "Mother" 是名词，意思是 "妈妈"。

例句：

"Hello, my dear mother. How are you today?" (你好，我亲爱的妈妈。你今天怎么样？)
"I love you, my dear mother." (我爱你，我亲爱的妈妈。)
"Thank you for always being there for me, my dear mother." (感谢你一直在我身边，我亲爱的妈妈。)