something 
英 [ˈsʌmθɪŋ]  美 [ˈsʌmθɪŋ] 
n. 重要的人（或事物）；大致

pron. 某物；某事

例句：
Give him something to do. 

给他点事情做。

Do something! Can't you see he's choking? 

快做点什么！你没看见他快窒息了吗？

Would you like something to eat? 

你想吃点什么吗？

There was something around a thousand dollars in the office strong box. 

办公室的保险柜里大约有1,000美元。

Membership is something over 10,000. 

会员人数大约有1万多人。

He had something like 70 kilos of gold in his boot. 

他在他的后备箱里放了大约70公斤的黄金。