Word: 對 (duì) right

方法不對，再努力也是南轅北轍。

Fāngfǎ bú duì, zài nǔlì yě shì nányuánběizhé.

With the wrong method, no amount of effort will help; you'll just be heading the wrong way.

是非對錯並不難分。

Shìfēi duì cuò bìng bù nán fēn.

It's easy to distinguish good from evil.

是非對錯，有時很難分辨。

Shìfēi duì cuò, yǒushí hěn nán fēnbiàn.

It is sometimes hard to tell right from wrong.

有什麼不對嗎？

Yǒu shénme bú duì ma?

Is something wrong?

有什麼不對的地方，請您指教。

Yǒu shénme bú duì de dìfāng, qǐng nín zhǐjiào.

If anything is wrong, please point it out to me.

本科要學四年，對嗎？

Běnkē yào xué sì nián, duì ma?

The undergraduate course takes four years, right?

狗做對了，就給它獎賞。

Gǒu zuò duì le, jiù gěi tā jiǎngshǎng.

When the dog does it right, give it a reward.

看看我的答案是不是對的。

Kànkan wǒ de dá'àn shìbúshì duì de.

See if my answer is correct.

睡覺的姿態不對會腰疼。

Shuìjiào de zītài bú duì huì yāo téng.

Sleeping in the wrong posture can give you a sore back.

結果證明我是對的。

Jiéguǒ zhèngmíng wǒ shì duì de.

It turned out that I was right.

誰這麼說說得不對。

Shéi zhème shuō shuō de bú duì.

Whoever said so, it is false.

這個很便宜，對嗎？

Zhège hěn piányi, duì ma?

That's cheap, isn't it?

這也是對的。

Zhè yě shì duì de.

This is also right.

這家裡應該沒有男人才對。

Zhè jiālǐ yīnggāi méiyǒu nánrén cái duì.

There aren't supposed to be any men in this house.

這是對的，不是嗎？

Zhè shì duì de, bú shì ma?

That's right, isn't it?

這樣做才對。

Zhèyàng zuò cái duì.

That's the way to do it. ["It's not right until you do it this way."]

這樣做是對的，相信我。

Zhèyàng zuò shì duì de, xiāngxìn wǒ.

Believe me, this is the right way.

這樣的話，我想他是對的。

Zhèyàng dehuà, wǒ xiǎng tā shì duì de.

In this case, I think he is correct.

那不對，對吧？

Nà bú duì, duì ba?

That isn't true, is it?

那不是一顆真正的鑽石，對嗎？

Nà bú shì yì kē zhēnzhèng de zuànshí, duì ma?

That's not a real diamond, is it?

那其實也沒那麼奇怪，對吧？

Nà qíshí yě méi nàme qíguài, duì ba?

It's not that weird, is it?

顧客永遠是對的。

Gùkè yǒngyuǎn shì duì de.

The customer is always right.