B1 [ C ] a small container filled with explosive chemicals that produce bright coloured patterns or loud noises when they explode焰火；烟花
They let off a big firework as a signal that the festival had started.
The sky was alight with hundreds of fireworks.
The instructions on the fireworks said "Light the blue touchpaper, and stand well clear."
We watched the fireworks, oohing and aahing with everyone else.
The evening ended with a thrilling display of fireworks.
a lot of angry shouting愤怒的叫喊