fruitlessly
US /ˈfruːt.ləs.li/
UK /ˈfruːt.ləs.li/
副詞
徒勞地, 無用地
without success or result; uselessly
範例:
•
They searched fruitlessly for the lost keys.
他們徒勞地尋找丟失的鑰匙。
•
She tried fruitlessly to convince him to change his mind.
她徒勞地試圖說服他改變主意。