I don't think a deep enough dive has gone into their history, especially when it's a firearm of that caliper.

我不认为人会对历史进行足够深入研究，特别是当这是一把武器时。

The boy was as thin as calipers.

这个男孩瘦得两脚规。

With the suspicious attentionof a diamond merchant he examined the banana meticulously, dissecting it with a special scalpel, weighing the pieces on a pharmacist's scale, and calculating its breadth with a gunsmith's calipers.

带着钻石商人怀疑态度， 仔细检查了香蕉，用专用手其切开， 在药剂师天平上称量碎片， 并用枪匠卡尺计算其宽度。