1.莽撞的；不顾后果的；没头脑的 If you say that someone is unthinking, you are critical of them because you consider that they do not think carefully about the effects of their behaviour.
unthinkingly Many motor accidents are the result of unthinkingly mixing speed and alcohol. 许多机动车事故都是不计后果地酒后开快车造成的。
