轨道

guǐ dào

track (for trains etc), orbit (of a satellite), (fig.) a person's established path in life, desired trajectory (of a business or other endeavor), (audio engineering) track, (quantum mechanics) orbital

他大叫道

tā dà jiào dào

He shouted

警察喊道！

jǐng chá hǎn dào！

The police shouted!

人行道很宽。

rén xíng dào hěn kuān。

The sidewalks are wide.

人行道很窄。

rén xíng dào hěn zhǎi。

The sidewalks are narrow.

什么臭味道

shén me chòu wèi dao

What smell?

人行道很干净。

rén xíng dào hěn gān jìng。

The sidewalks are clean.

人行道上有树。

rén xíng dào shàng yǒu shù。

There are trees on the sidewalk.

你知道犯法吗？

nǐ zhī dào fàn fǎ ma？

Do you know it's illegal?

我要向你道歉。

wǒ yào xiàng nǐ dào qiàn。

I want to apologize to you.

她不知道做菜。

tā bù zhī dào zuò cài。

She doesn't know how to cook.