We can find the size of something by means of measurement.

　　我們可以用測量法求得某物的體積。

　　It's important to try and make something of your life.

　　在一生中有所成就是很重要的。

　　First try to do something that is within your scope.

　　你先試著(zhù)做一件自己力所能及的事。

　　I'm sure she's keeping something back from us.

　　我肯定她有什么事瞞著(zhù)我們。

　　Can you give me something to help me get to sleep?

　　你能不能給我點(diǎn)能讓我入睡的東西？

　　This could be the start of something big.

　　這或許是要有大事的苗頭。

　　I have something important to tell you.

　　我有重要的事情要告訴你。