a Latin expression meaning "seize the day", used for saying that people should enjoy the present rather than worrying about the future

I may as well have dessert - carpe diem, right? 不如我再要个甜点，及时行乐嘛，对不对？

the carpe diem spirit that prevails during wartime 战争期间及时行乐的情绪非常普遍。