set off fireworks和let off fireworks是什么意思？

set off fireworks和let off fireworks都是放烟花的意思。
　　例句：
　　People set off fireworks and tooted their car horns.
　　人们点燃烟花，按响汽车喇叭。
　　The teacher forbad the pupils to let off fireworks in the school.
　　老师禁止学生在学校放烟火。

放炮。
放烟花。