可用蓝色或枪金属。

Available in blue or gun metal.

youdao

十几岁的就不那么好对付了，因此用刀或枪就是必须的。

Teens are not going to cooperate in being killed so the use of a knife or gun is more necessary.

youdao

刀或枪：当有人持枪或持刀毕竟你时，你的选择很简单。

Knife or gun: Your options when someone approaches you with a gun are pretty simple.

youdao

because you're thinking the guy might be trying to steal your car, put you at gunpoint, hijack you,

因为你会想这个人可能是想偷你的车或用枪威胁你，劫持你，

大城市是否危险？ - SpeakingMax英语口语达人