柯林斯词典fool's errand 1. N a fruitless undertaking 徒劳的工作 返回 fool's errand剑桥词典an effort that is unlikely to be successful 徒劳无功的努力 It's a fool's errand trying to get Lena to join in anything. 想拉蕾娜参加什么活动根本就是徒劳。 返回 fool's errand