rigour
(US rigor), / ˈrɪgə(r); `rɪɡɚ/ n (fml 文)
1 [U] severity; strictness; (esp mental) discipline 严格; 严厉; （尤指思想的）严谨, 严密
the utmost rigour of the law 法律的苛严
intellectual rigour 思想的缜密.
2 [C often pl 常作复数]
harshness (of weather, conditions, etc) （气候、 条件等的）严酷; 艰苦
the rigour(s) of an Arctic winter, of prison life, etc 北极冬季的严寒、 监狱生活的艰苦.