-"How are you?" oral chinese:你好吗? Formal Chinese:你最来可好?
-"Do you understand me?" Oral chinese:懂吗? Formal chinese:你能明白我的意思吗?
-"Do you like it?" Oral chinese:喜欢吗?Formal chinese:你喜欢这个吗?
-"What are your hobbies?" 你有什么业余爱好吗?
-"Do you need help?" Oral chinese:需要搭把手吗? Formal chinese:请问需要帮忙吗?
If you have any questions about learning chinese,you can contact me. :)
Good day