improvident
adj. 浪费的;无远见的;无先见之明的
例句
This young man has lived improvident life.
这个年轻人过着奢侈的生活。
You will pay for your improvident undisciplined behavior.
你会为自己轻率任性的行为付出代价的。
You will pay for your improvident and undisciplined behavior.