得

xiū zhè zuò shuǐ kù děi duō shao rén

修这座水库得多少人？

How much labour do you need to build this reservoir?

zhè tiáo tiě lù děi sān nián cái néng wán gōng

这条铁路得三年才能完工。

This railway will take three years to complete.

cóng wǒ jiā zǒu dào xué xiào děi sān shí fēn zhōng

从我家走到学校得三十分钟。

It takes me thirty minutes to walk from my home to the school.

xiǎng qǔ dé hǎo chéng jì jiù děi nǔ lì xué xí

想取得好成绩，就得努力学习。

You must study hard if you want to have good grades.

yǒu cuò jiù děi pī píng

有错就得批评。

Wherever mistakes occur, they must be criticized.

shí jiān bù zǎo le wǒ děi lí kāi le

时间不早了，我得离开了。

It's getting late. I must be going.

děi yòng gōng

得用功

must be more studious

kuài xià dà yǔ le yào bù kuài zǒu jiù děi lín yǔ

快下大雨了，要不快走，就得淋雨。

It will rain soon. We are hurry, or we will get wet.

yào bù kuài zǒu wǒ men jiù děi chí dào le

要不快走，我们就得迟到了。

We'll be late if we don't hurry.

zhè ge shā fā zuò zhe zhēn děi

这个沙发坐着真得。

The sofa is comfortable.

tiān qì zhè me hǎo chū lái yě cān tǐng děi de

天气这么好，出来野餐挺得的。

It's very nice to come out and have a picnic in such pleasant weather.