n.步枪
v.洗劫；抢劫
Rifle reports could be heard in the distance. 听得见远处传来的步枪声。
He accidentally triggered his rifle. 他无意中扣发了他步枪的扳机。
n.琐事；少量
v.浪费；玩弄
n.琐事
名词trifle的复数形式.
n.步枪射手；步枪兵
