HSK 4 · noun · classifier
道
measure for long things, questions; road
这是一道很难的题。
Zhè shì yí dào hěn nán de tí.
This is a very difficult question.
我知道他在哪里工作。
Wǒ zhīdào tā zài nǎlǐ gōngzuò.
I know where he works.
我不知道怎样学汉语。
Wǒ bù zhīdào zěnyàng xué Hànyǔ.
I don't know how to learn Chinese.
这条道路很长。
Zhè tiáo dàolù hěn cháng.
This road is very long.