1. The phrase "放烟花" in Mandarin can be translated into English as "set off fireworks". Fireworks are a popular form of entertainment and celebration in many cultures around the world. They are known for their dazzling colors, loud noises, and beautiful patterns that light up the night sky.

2. In order to set off fireworks safely, it is important to follow certain precautions. Firstly, find an open and spacious area outdoors, away from buildings, vehicles, and other flammable objects. Make sure there are no overhead wires or trees that may obstruct the fireworks. It is also essential to check local regulations and obtain any necessary permits before lighting fireworks.

3. When you are ready to set off the fireworks, make sure that everyone stands at a safe distance. Clear the area of any debris or loose objects that may catch fire. It is also advisable to have a bucket of water or a fire extinguisher nearby in case of emergencies.

4. To light the fireworks, use a taper or a long-handled lighter. Hold the firework firmly with one hand and use the taper to ignite the fuse. Quickly move away from the firework after lighting it, ensuring that you are a safe distance away. Never attempt to relight a firework that did not ignite properly.

5. As the firework launches into the sky, watch in awe as it explodes into a burst of vibrant colors and sparkles. Each firework is uniquely designed to create different visual effects, such as stars, chrysanthemums, and comets. The combined effect of multiple fireworks creates a spectacular display that can fill the sky with joy and excitement.

6. After the fireworks have been set off, it is important to clean up the area by properly disposing of any debris or used fireworks. Collect any remnants and place them in a bucket of water to ensure they are completely extinguished. Keep in mind that fireworks can be dangerous and should be handled with care.

7. In conclusion, "放烟花" in English is "set off fireworks". Setting off fireworks is a thrilling and beautiful way to celebrate special occasions. However, it is crucial to prioritize safety and follow all necessary precautions to prevent accidents or injuries. By doing so, we can fully enjoy the magic and wonder of fireworks while ensuring the well-being of ourselves and others.