不知道

问大囡：你为什么这么难伺候？让你listen怎么就这么难？

大囡眨巴眨吧眼，说：It is hard for me to listen. 

接着挖：你就不能想想为什么吗？

接着眨吧眼：I don't know. It is hard. It is hard for me to listen especially when I am given a stern face.

接着问：那我不stern face你就能listen了？

接着眨吧眼：I don't know. Maybe.