I'm broke. I don't have money to pay the bill. 我穷得叮当响。没有钱买单了。

Just my luck. I have to pay a fine for speeding. 我能有什么运气，只好交超速罚款了。

You commit a crime, you pay the price. 你犯罪了，就要付出代价。

Can you lend me some money? I've got to pay rent! 你能借我点钱吗？我得交房租了！

I forgot to pay the electric bill this month. 我这个月忘了交电费了。

Pay the bill as soon as you can. 尽可能快点交。