op dieet zijn Learn Unstarted Literal Breakdown Recording English Dutch Learn diet dieet Learn Summary The Dutch translation for “to be on a diet” is op dieet zijn. The Dutch, op dieet zijn, can be broken down into 1 parts:"diet" (dieet). Practice Lesson "to be on a diet" Practice (2) Lesson Learn Lesson words diet etc. View all lesson words Lesson phrases to be on a diet etc. View all lesson phrases Themed Courses Health 2 Acknowledgements Audio voice156