Ordered to fire a Gun as a Signal of Distress.

船长就下令放一枪，作为求救的信号。

youdao

But men like 85-year-old Don Seki, who lost an arm to a burst of machine-gun fire, play-down his own heroism in helping to rescue the "Lost Battalion."

VOA: standard.2009.11.04

If you squeeze the trigger of a gun really hard and really fast, it doesn't fire any faster or harder than if you just squeezed it gently.

快速有力地扣动扳机,并不比你轻扣扳机,射出的更加快速或更加有力

耶鲁公开课 - 心理学导论课程节选

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

In the back corner of ASUS' brightly lit Computex booth there's a simulated gamer's lair, complete with dim LED lighting, the sound of frequent gun fire and a small handful of nondescript gaming notebooks.

ENGADGET: ASUS G75VW is world's first notebook to sport Broadcom 802.11ac WiFi, we go hands-on (video)

They were called there after a fire alarm, and found a dead man with an apparently self-inflicted gun wound.

BBC: Explosives found at Orlando university campus

After being thrown out at 0500 GMT following a row, Mr Hassan was "plainly incensed" and returned with a loaded gun before opening fire, Mr Brown said.

BBC: Man 'shot brothers' after New Year pub row in Croydon