a snappish debating partner的用法和样例：
- a snappish tone of voice; a snappish debating partner.
- They might not send a thank-you after being treated to lunch, or they might send a snappish email that is more of a demand than a request.
- He has a practical partner who organizes everything for him.
- There is a vein of melancholy in his character.
- There was a long lag in forwarding mail to us.