1·Let's have a chat after supper.
晚饭后咱们聊聊。
—— 《新英汉大辞典》
2·Give examples to say, if you want to have a chat boxing match or mathematics hard nut to crack with me, that just like in play piano the cow.
举例来说,如果你想和我聊聊拳击比赛或是数学难题,那无异于对牛弹琴。