例句
I searched vainly for my keys under the sofa.
我在沙發下面找鑰匙，卻一無所獲。
Residents have vainly requested better bus services for years, leaving many dependent on private cars.
居民多年來要求改善巴士服務，卻始終未果，致使許多人仍然依賴私家車。
常用搭配
- try vainly to do something｜徒勞地試圖做某事
- search vainly for｜徒勞地尋找
- struggle vainly｜徒勞地掙扎
詞形與相關詞
vain (adj.) · vanity (n.)
用法提示
vainly側重努力無果，常可換成in vain。