You'd be lucky to shoot a fighter down with a light machine-gun.

你很幸运能用轻机枪打下一架战斗机。

youdao

In the darkness, the machine gun spat a vindictive white light like an acetylene torch.

机枪在黑暗中吐出一道凶厉的白光，活象一支喷火的乙炔吹管。

youdao

Sounds of heavy and light machine gun fire rattled Maiduguri as Nigeria's army pounded suspected hideouts of the Islamic rebels in a bid to flush out remnants of the militant Boko Haram sect.

VOA: standard.2009.07.30

It features 3 new weapons: Piranha assault shotgun, Acolyte pistol, and Typhoon light machine gun.

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