Given the task definition and input, reply with output. You are given a sentence in English. Your job is to translate the English sentence into Arabic.

Seriously, but dangerously fun.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
المرح بجدية ولكن بدرجة خطيرة