Word: 为何 (wèihé)

不行，今天不知为何没有干劲。

Bùxíng, jīntiān bùzhī wèihé méiyǒu gànjìn.

It's useless, I'm not motivated today for some reason.

为何两位总是在打架？

Wèihé liǎng wèi zǒngshì zài dǎjià?

Why are you two always fighting?

你为何不现在就回家？

Nǐ wèihé bú xiànzài jiù huíjiā?

Why don't you go home now?

你为何想当一个老师？

Nǐ wèihé xiǎng dāng yí gè lǎoshī?

Why did you want to become a teacher?

你为何没有在牢里？

Nǐ wèihé méiyǒu zài láo lǐ?

Why aren't you in jail?

你们为何不回家呢？

Nǐmen wèihé bù huíjiā ne?

Why don't you guys head on home?

我不明白他为何搞这样。

Wǒ bù míngbai tā wèihé gǎo zhèyàng.

I have no idea why he did that.

没有人知道他为何拒绝我帮忙。

Méiyǒu rén zhīdào tā wèihé jùjué wǒ bāngmáng.

Nobody knows why he turns down my help.