在街上发传单可以用英文表示为 "hand out flyers on the street"。

这个短语的来源可能源于人们在公共场所(例如街道)派发传单的情况。"hand out" 是一个动词短语,表示 "give out, distribute",而 "flyers" 是指传单的意思。

例句:

"I'm going to hand out flyers on the street to promote our new store."(我要在街上发传单来推广我们的新店。)
"The campaign volunteers were hand out flyers on the street to raise awareness about environmental issues."(这些志愿者在街上发传单来提高人们对环保问题的认识。)
"We hired a group of students to hand out flyers on the street to advertise our event."(我们雇了一群学生在街上发传单来宣传我们的活动。)