Word: 顶 (dǐng) apex; crown of the head; top; classifier for headwear, hats, veils etc

他买了一顶帽子。

Tā mǎile yì dǐng màozi.

He bought a hat.

他戴着那顶帽子，样子很可笑。

Tā dàizhe nà dǐng màozi, yàngzi hěn kěxiào.

He looked funny wearing that hat.

你有多少顶帽子？

Nǐ yǒu duōshǎo dǐng màozi?

How many hats do you own?

哪顶帽子是你的？

Nǎ dǐng màozi shì nǐ de?

Which cap is yours?

墙上挂着一顶帽子和一件大衣。

Qiáng shàng guàzhe yì dǐng màozi hé yí jiàn dàyī.

There were a hat and a coat on the wall.

她戴着一顶帽子。

Tā dàizhe yì dǐng màozi.

She's wearing a hat.

她给我们看了一顶漂亮的帽子。

Tā gěi wǒmen kànle yì dǐng piàoliang de màozi.

She showed us a beautiful hat.

我不喜欢那顶帽子。

Wǒ bù xǐhuan nà dǐng màozi.

I don't like this hat.

我付了十美元买这顶帽子。

Wǒ fùle shí měiyuán mǎi zhè dǐng màozi.

I paid ten dollars for this cap.

我在这家商店买了一顶帽子。

Wǒ zài zhè jiā shāngdiàn mǎile yì dǐng màozi.

I bought a hat at the store.

我注意到她当时戴了顶新帽子。

Wǒ zhùyì dào tā dāngshí dàile dǐng xīn màozi.

I noticed she was wearing a new hat.

请看看页顶的图片。

Qǐng kànkan yè dǐng de túpiàn.

Look at the picture at the top of the page.

这顶帽子多少钱？

Zhè dǐng màozi duōshǎo qián?

What is the price of this cap?

这顶帽子是你的吗？

Zhè dǐng màozi shì nǐ de ma?

Is this hat yours?

这顶帽子是爸爸买给我的。

Zhè dǐng màozi shì bàba mǎi gěi wǒ de.

My father bought this hat for me.

这顶蚊帐有一个小洞。

Zhè dǐng wénzhàng yǒu yí gè xiǎo dòng.

This mosquito net has a small hole in it.

那位绅士经常戴着一顶帽子。

Nà wèi shēnshì jīngcháng dàizhe yì dǐng màozi.

That gentleman usually wears a hat.