(1) Bad behavior: smoking and drinking. Illegal and criminal acts: robbery, robbery and theft.

(2)① There is no insurmountable gap between general illegality and crime. Those who commit ordinary illegal acts may lead to crimes if they are not corrected in time and continue to develop. To prevent illegal crimes, we must start with putting an end to bad behavior. Only by preventing micro-duration can we nip in the bud.

(3)① Improve one's ideological and moral cultivation and scientific accomplishment, and make friends carefully to prevent being cheated. 2 Overcome curiosity and blindly follow the crowd, improve your control, and build a solid Great Wall in your heart to resist bad temptations. (3) Use legal means to resolutely fight against bad temptations in order to protect ourselves and purify our growing environment.