Focus on the pronunciation of portion
English definition of “portion”
/ˈpɔːʃən/ noun [C]
› a part or share of something larger: A large portion of the company's profits is ploughed back into new projects. These products account for a relatively small portion of sales.
› COMMERCE the amount of a particular food that is enough for one person, especially in a restaurant, etc.: Bar food, lunchtime and evening, comes in generous portions. They kept their costs down by minimizing waste and having strict portion control.