1）Sloppy: lazy, not careful

邋遢：懒，不细心

ex:Your boss will not be happy with your performance if your work is always sloppy.

如果你的工作总是邋邋遢遢的，你的老板是不会喜欢你的表现的。

2) Broke: having no money

破产：没有任何钱

ex:Being broke is no fun at all - you can't do anything without money.

破产可不好玩 - 没有钱，你什么都做不了。

3) Medical insurance: a way of protecting yourself from very large medical costs

医疗保险：一种就大额的医疗花费保护你自己的方式

ex:Medical insurance means you pay a small amount of money each month and then if you have to see the doctor, the insurance company will pay your bills for you.

医疗保险就是你每个月付少量的钱，但如果你（生病）必须去看医生，保险公司会为你负担费用。

4) Nix: free, without charge

无，空：免费，没有收费

ex:The bar was offering beer for nix, so I didn't spend a cent the whole evening.

酒吧提供免费的啤酒，因此我整晚没有花一分钱。