【俚語】

Splurge /splɜːdʒ/ v.
大手大腳花錢，揮霍

【例句】

I work so hard. I need to splurge every now and then. I deserve it.
我工作這么努力。我需要時不時地揮霍一下。這是我應得的。

Budget n. 預算

【例句】

You have to make a budget for your spending every month. Then you could save for the down payment on an apartment.
你必須為給每個月的開支做一個預算。這樣就可以省下公寓的首付錢。

Be made of money 很有錢

【例句】

I know you want the new dress, but the answer is no. I'm not made of money.
我知道你想要這件新衣服，但答案是不能買。我沒有錢。

You pays your money and you takes your chances.
你自己的選擇，自己承擔后果。

【例句】

I'm sorry to hear that the laptop you bought on that shady site doesn't work, but you pays your money, and you takes your chances.
你在那個破網站上買的筆記本電腦不能用，我感覺挺遺憾。不過你自己選的，你就自己承擔后果。

Right on the money 恰好

【例句】

This project is going to be finished right on the money. So we could take some time off after that.
這個項目會按時按點做完。之后我們可以休息一段時間了。