You want to change a well-paid job related to Chinese.
You need to speak Chinese mostly in workplace situations, or write business emails.
You are working with Chinese staff and want to know more about Chinese workplace culture.
You want to complete HSK3 or HSK4 exam for a university entrance or a visa requirement.
You need Chinese for daily life needs, such as travelling, shopping, and watching movies.
You want to study Chinese as a linguistic or translator.