He wanted to make sure that you didn't throw it away.他不希望你扔掉它

make sure: 設法確保

I'm going to make sure if I'm going to Macao.

我要拿定主意我是否去澳門。

I'll make sure of the time of the flight.

我要核實一下這班飛機的時間。

throw away:扔掉； 拋棄

Don't throw away your old shoes,give them to me.

不要扔掉你的舊鞋子，給我吧。

He threw away the chance of a good job.

他錯過了得到一份好工作的機會。

I can think of a reason.我覺得有一種解釋

think of:想到

I couldn't think of the name of that man anyhow.

我怎么也想不出那人的名字來了。

Just think of what we could learn there!

只要想想我們在那兒可以學到東西吧！

相關短語：think much of重視

I don't think much of his ideas.

我認為他的一些看法并不怎么樣。

詞義辨析:think of，think about，think over這三個詞組都與“想”有關，但所表達的含義有所不同。

think of多用來指“想起，認為”。

think about多用來指“考慮某事情或對某事進行思考”。

think over意思是“仔細考慮，認真思考”。