The reasons why cats suddenly meow:
1. When a cat reaches estrus, it will keep meowing. You can gently stroke its head to soothe its mood, or feed it A little snack will calm it down.
2. When a cat is sick and feels uncomfortable, it will keep barking. You should take it to the pet hospital for examination and treatment in time.
3. If the cat is hungry and will keep barking, remind the owner to feed it and prepare food and water for it in time.
4. If the cat has just entered a new environment and feels uncomfortable, it will keep barking. It will be fine when it adapts to the new environment.
5. When a cat wants its owner to play with it, it will keep barking to attract the owner's attention. The owner should spend more time with it and play with it.