not caring about the possible effects of your words or actions on other people synonym inconsiderate粗心大意的;欠考慮的;輕率的 a thoughtless remark 欠考慮的話
Extra ExamplesIt was thoughtless of him to take the car without checking first. 他不先檢查一下就買下那輛車,真是太輕率了。 It was thoughtless to spring it on you so suddenly. 突然向你提出這件事是欠考慮的。 There could be a serious accident as a result of their thoughtless actions. 由於他們考慮不周的行爲,可能會發生嚴重的事故。