1. After almost a decade of the good life, tubby animals in a South Korean zoo are to go on a diet.
2. go on a diet
2. This means it is extremely difficult for the Japanese economy to survive on the domestic market alone when its export markets go on a diet.
3. After last week's stroke, doctors urged Sharon to go on a diet.
4. The boy had to go on a diet at the age of 5, but he has gained an average of 10 kilograms each year since then.
5. Kelly Brook wont'go on a macrobiotic diet again - because it caused an acne outbreak.