fruitlessly
US /ˈfruːt.ləs.li/
UK /ˈfruːt.ləs.li/
副词
徒劳地, 无用地
without success or result; uselessly
示例:
•
They searched fruitlessly for the lost keys.
他们徒劳地寻找丢失的钥匙。
•
She tried fruitlessly to convince him to change his mind.
她徒劳地试图说服他改变主意。