firework

US /ˈfaɪr.wɝːk/
UK /ˈfaɪr.wɝːk/
"firework" picture
1.

Feuerwerk

a device containing gunpowder and other combustible chemicals, which is ignited to produce a display of light, noise, and smoke

:
The sky lit up with colorful fireworks.
Der Himmel leuchtete mit bunten Feuerwerken auf.
They set off fireworks to celebrate the New Year.
Sie zündeten Feuerwerke an, um das neue Jahr zu feiern.