1, the common solution is to soak the bowl in hot water, which will make it easy to separate. You can also briefly heat two porcelain bowls in a microwave oven to dry the water on the contact surface.

2. Or grab two bowls with both hands and rotate them gently. You can also pour some oil or detergent on the contact surface and then gently rotate it. Usually after washing dishes, you need to straighten your posture and try not to lean sideways.