1.throw up 拋起

Why did you throw up such a good job?
你為什么放棄了這么好的一個工作?

She has thrown up her studies.
她已經放棄了學業。

2.want to 想要做；想要…

I want to insure my house.
我要為自己的住宅保險。

We want to be quite clear on this point.
關于這一點，我們要完全弄清。

3.operating system 操作系統

The virus has infected the operating system of his computer.
病毒已使他的計算機操作系統受到傳染。

After you and the team have decided on the operating system, choose the application.
在您和您的團隊決定操作系統以后，下一步應選擇應用程序。

4.on sale 廉價出售；賤價拋售

Among the horses on sale he saw his own horse.
在出售的馬群中，他發現了自己的那匹馬。

We have an interesting new database program in the pipeline. It should be on sale early next year.
我們正在設計一個有趣的新數據庫程序,明年年初大概就能上市了。