If you say that someone is reckless, you mean that they act in a way which shows that they do not care about danger or the effect their behaviour will have on other people. 鲁莽的
adjective [原级]鲁莽的,不计后果的;粗心大意的
He is charged with reckless driving. 他被控莽撞驾驶。
reckless
“ -less” ⌜ 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality ~ ⌟