valour
(US valor), / ˈvælə(r); `vælɚ/ n
1 [U] (rhet 修辞) bravery, esp in war 勇武, 英勇(尤指战时的)
displaygreat valour 显示出极大的勇气
soldiers decorated (ie given awards) for valour 因勇敢而受奖的军人.
2 (idm 习语) discretion is the better part of valour => discretion.