senselessly
/ˈsensləsli/ 30in a way that is not at all reasonable and has no good or useful purpose
adverb [程度副词]毫无知觉地；无意识地；不省人事地
These innocent bystanders were senselessly killed.无辜的旁观者被白白杀死了。
单词造句:
These innocent bystanders were senselessly killed.无辜的旁观者被白白杀死了。