Can you lose weight without eating meat and exercising for three bowls of rice a day?

Yes, but it's best to control your diet according to the fitness diet standard, and eat less and more meals.

Fitness depends on eating 70% and exercise 30%.

Here is a fitness diet plan that suits you. You can refer to it:

8:00 breakfast: 250ml milk+1 egg+100g cereal.

10:00 extra meal: 1 apple

12:00 Chinese food: 200g lean meat+150g rice (or equivalent coarse grains) +250g vegetables.

Meal at 15:00: (2-3 hours before training): 50g staple food+1 apple.

17:00 extra meal: (added immediately after training): 1 small banana.

19:30-20:30 dinner: (20-30 minutes after training): 50g rice+150g lean meat +250g vegetables.