词语

打黑枪乘人不备在暗中打枪害人；比喻乘人不备在暗中攻击伤害别人。英make a sniper's shot,fire from behind;

黑枪私自藏匿的枪支。英illegal guns;暗中偷偷打枪；冷枪。英a shot from the back;