caliber
US
UK caliber (US), calibre (UK) n: (size of a gun barrel)
SC 枪的口径, 内径
A .22-caliber rifle is plenty big enough for hunting squirrels.
caliber (US), calibre (UK) n: figurative (degree or quality)
SC 质量，水准 zhì liàng ，shuǐ zhǔn
TC 質量，水準
TC 質量，水準
I have rarely seen a finer caliber of student in my career.