Word: 换

他们已经换了系统。

Tāmen yǐjīng huàn le xìtǒng.

They've changed the system.

你需要换个环境。

Nǐ xūyào huàn gè huánjìng.

You need a change of scenery.

去年他换了学校。

Qùnián tā huàn le xuéxiào.

He changed schools last year.

好了，换你了。

Hǎole, huàn nǐ le.

It's your turn.

我回家换了衣服。

Wǒ huíjiā huàn le yīfu.

I went home to change clothes.

我已经换了我的衣服。

Wǒ yǐjīng huàn le wǒ de yīfu.

I have already changed my clothes.

我想换房间。

Wǒ xiǎng huàn fángjiān.

I'd like to change my room.

我换了工作。

Wǒ huàn le gōngzuò.

I've changed jobs.

我用我的旧车换了一辆新的。

Wǒ yòng wǒ de jiù chē huàn le yí liàng xīn de.

I traded in my old car for a new one.

我需要换个环境。

Wǒ xūyào huàn gè huánjìng.

I need a change of scenery.

换了是我，我也会这样做的。

Huàn le shì wǒ, wǒ yě huì zhèyàng zuò de.

If I were you, I would do the same.

换种方式说。

Huàn zhǒng fāngshì shuō.

Say it in another way.

胜利是用许多人的性命换来的。

Shènglì shì yòng xǔduō rén de xìngmìng huàn lái de.

The victory was won at the cost of many lives.

能给我换个房间吗？

Néng gěi wǒ huàn gè fángjiān ma?

Can you change the room for me?