They're armed with sub-machine-guns or machine-pistols or whatever you call those things.他们持有轻机枪或者冲锋枪，还是什么玩意儿的。The machine-guns spat fire.机关枪吐著火舌。Vickers machine-guns could be temperamental.维克斯机枪有时会出故障。We returned fire with mortars and machine-guns.我们用迫击炮和机枪回击。They have planted machine-guns at street crossings.他们在十字路口设置了机枪。