While the battle raged, the bullets flew thick as hail.

战斗激烈进行时， 枪弹密如雨点。

《新英汉大辞典》

The bullets flew after him, he was more nimble than they.

枪弹紧跟着他，但他比枪弹更灵活。

youdao

No one was injured but worshipers said one of the bullets flew only inches above a security guard's head, according to CNN affiliate station WGN.

CNN: Spate of attacks near Ramadan trouble U.S. Muslims