I never used a weapon in my life before.

我这辈子从来没用过武器。

youdao

The suspects did not use a weapon.

犯罪嫌疑人没有使用武器。

youdao

You are cold, shivering, and without a weapon.

您浑身发冷、不住颤抖，而且没有武器。

youdao

The president said groups like al-Qaida would surely use a nuclear weapon if they got one.

VOA: special.2010.04.17

And who, where would--If it was, if it was converted into a weapon, where would the vaccines to protect the rest of the country come from?

如果天花被转化成生化武器,去哪里才能找来保护国家的疫苗呢

耶鲁公开课 - 生物医学工程探索课程节选

In Washington, a military intelligence official told a Senate committee that Iran could be one year away from producing enough highly-enriched uranium for a nuclear weapon.

VOA: special.2010.04.17

While no gun was reportedly recovered, an unnamed security source told Interfax the killer appears to have used a Val assault rifle fitted with a silencer - a weapon favoured by Russian special forces.

BBC: Russia's 'top gangster' Grandpa Khasan shot dead

Fears of a German invasion of New York were improbable, if not utterly fantastic, but in a pre-nuclear weapon, pre-smart weapon age, the size of a navy really mattered.

FORBES: I Am the Ruler of the Queen's Navy, Says Mitt Romney

But Wilson still considers their first test of a partially-downloadable weapon a successful learning experience.

FORBES: Here's What It Looks Like To Fire A (Partly) 3D-Printed Gun (Video)