uselessly
/ˈjuːsləsli/ 30in a way that is of no use, or that is not working or achieving what is needed: His injured arm hung uselessly at his side.
adverb [程度副词]无用地;无益地
I stood and watched her little lamp uselessly lost among lights. 我站在那儿看着她的灯无用地消失在众光之中。
单词造句: