Article in English: Aside from various objects that can be used as weapons and traps, knowing where to run is very important – especially when you're outnumbered. Use all of your senses. Don't just look around aimlessly, stay focused on what you might have to do. You should stand safely away from your opponent unless you are ready to strike. The attacker needs to close distance to strike you, so staying just out of their reach means they cannot hit you. Try to stay on the side of the opponent, rather than face them head on. Remember that they can be an obstacle to themselves. Keep your guard up. You can cross your arms, which will allow you to bring them up and protect your face if they lunge at you. According to the rules of "reasonable force," it is your right to use as much force as necessary to ensure your own safety. If you pull a knife (or another weapon) on a guy and he continues the confrontation, then he pushed you to defend yourself. Living is your priority – damaging or intimidating your opponent enough to let you get away is your method. Look for anything that you can use for a weapon like a broom handle, a bat, or garbage can cover. Most people find it uncomfortable and unexpected for someone they attack to be right up in their space. Another advantage of staying in close is that your attacker won't be able to fully extend their arm, and it will reduce the power of their punching. Try to wrestle the person to the ground and get control over their body. If they are laying on their back, they won't be able to punch as hard as if they were standing up. The more relaxed you are, the harder you will strike and the less susceptible to injury you will be. Regulate your breathing by breathing in deeply through your nose and exhaling out of your mouth. Short shallow breaths will tire you out quicker and could tip the fight in your opponent's favor. The more excited or stressed you are, the quicker you will fatigue in a fight. Spread your legs to shoulder width and bend your knees. Going to the ground is very dangerous to the...

Summary in Vietnamese:
Chú ý môi trường xung quanh. Đứng ở khoảng cách an toàn. Lấy vũ khí. Thu hẹp khoảng cách khi chuẩn bị tấn công. Thư giãn tối đa và hít thở sâu. Giữ thăng bằng để tránh bị đánh ngã.