The Vietnamese word "dè dụm" means to save or economize money. It refers to the practice of being careful with spending so that you can save more money for the future or for important purposes.
Tôi đang dè dụm tiền để mua một chiếc xe mới.
(I am saving money to buy a new car.)
Cần dè dụm hơn nếu bạn muốn có tiền cho kỳ nghỉ.
(You need to economize more if you want to have money for a vacation.)
In more advanced contexts, "dè dụm" can also refer to saving not just money but resources in general. For instance, it can be used in discussions about budgeting or financial planning.
While the primary meaning is about saving money, "dè dụm" can also imply being cautious or conservative in other areas of life, such as making decisions or taking risks.