hái / zi / zuò / cuò / le / shì / què / xī / pí / xiào / liǎn / de / xiàng / mā / ma / dào / qiàn

孩子做错了事，却嬉皮笑脸地向妈妈道歉。

The child apologized to his mother with a mischievous grin after doing something wrong.