at a loose end
無(wú)所事事，沒有目標(biāo)或計(jì)劃
口語(yǔ)·形容空閑無(wú)聊的狀態(tài)
英文釋義
to have nothing to do or be unsure of what to do
例句
After finishing all his work early, he was at a loose end and didn't know what to do.
典故來(lái)源
源自航海術(shù)語(yǔ)，指船纜未系緊而松散，比喻人沒有明確任務(wù)或目標(biāo)。