reckless

1. ADJ 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. 魯莽的; 不顧後果的

He is charged with reckless driving. 他被控莽撞駕駛。

2. recklesslyADV 魯莽地; 不計後果地

He was leaning recklessly out of the open window. 他魯莽地從開著的窗戶探出身子。