coup d'oeilWiktionary 原文/ˈku deɪ/词源链法语Frenchcoup d'œil‘stroke of the eye’↓ 派生英语Englishcoup d'oeil词源说明French coup d'œil (“stroke of the eye”).释义名词noun1A glimpse, a glance; the ability, especially of a military officer, to understand much at a glance.