Experience showed the Germans that the average submachine gun was too muscular for reliable accuracy within a thousand feet, which made it sketchy in close combat situations.

德国人的经验表明，一般的冲锋枪太过笨重，一千英尺内无法保证精准度，不利于近距离战斗。

youdao

This occurred to me (yet again) during the deafening first sequence of "Lethal Weapon 4, " which consists of an armor-clad gunman with a super-deluxe flame thrower and a submachine gun walking through what looks like the rainstorm that forced Noah to build an ark.

CNN: 'Lethal Weapon 4': Saying nothing, but loudly