A well-regulated militia, being necessary to the security of a free State, the right of the people to keep and bear arms, shall not be infringed.

纪律严明的民兵是保障自由州的安全所必需的，因此人民持有和携带武器的权利不得侵犯。

youdao

Some people argue that a well-regulated militia being necessary to the security of a free state (2), the right of the people to keep and bear arms shall not be infringed.

为了保卫一个自由国家的安全，需要拥有一支管理严密的民兵队伍，因此，人们保存和携带武器的权利将不受侵犯。

youdao

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

组织良好的民兵队伍，对于一个自由国家的安全是必需的，人民拥有和携带武器的权利不可侵犯。

youdao

Registration, mandatory inspection of firearms and frequent training were all essential to a well-regulated militia.

CNN: Put reason back in America's gun debate

The firearms used by a well-regulated militia, at the time the Second Amendment was written, were mostly long arms that, like a smaller stockpile of pistols, could discharge only once before they had to be reloaded.

NEWYORKER: Battleground America

To decide the case, the justices had to rule directly on the meaning of the Second Amendment, a provision with only 27 words: A well-regulated militia, being necessary to the security of a free state, the right of the people to keep and bear arms shall not be infringed.

NPR: Supreme Court Strikes Down D.C. Handgun Ban