乖乖地

tā jīn tiān guāi guāi de qù shàng xué le

他今天乖乖地去上学了。

He went off to school like a lamb today.

nà liǎng rén guāi guāi de xiàng tā tóu xiáng le

那两人乖乖地向他投降了。

The pair surrendered to him like lambs.