Choose read or listen to add a card to your active cards
这是简单的动作
zhè shì jiǎn dān de dòng zuò
It's simple action
考试很简单
kǎo shì hěn jiǎn dān
The exam was simple
原因很简单，他迟到了。
yuán yīn hěn jiǎn dān， tā chí dào le。
The reason is simple, he was late.