at easeWiktionary 原文英美词源链中古英语Middle English约 1150–1500 年at ese↓ 继承英语Englishat ease词源说明From Middle English at ese, calque of Old French a eise, from a (“at”) + eise (“ease”).释义介词短语prepositional phrase1Free of anxiety; not stressed or tense.2(military, marching) In a relaxed position with the feet apart rather than at attention.3(military, marching) Allowed to refrain from being in rigid formation