use·less·ly
adverb/ˈjuːsləsli/
/ˈjuːsləsli/
- in a way that is not useful; in a way that does not do or achieve what is needed or wanted
无用的；无效的；无价值的 - His arm hung uselessly at his side (= it was injured and he could not move it).
他的手臂无用地垂在身侧（=它受伤了，他无法移动）。
- His arm hung uselessly at his side (= it was injured and he could not move it).