a heart-to-heart talk的用法和样例：
- The father decided to have a heart to heart talk with his son about smoking.
- He is badly down, we'd better have a heart to heart talk with him.
- Why don't you have a heart to heart chat with her?
- Now that Lucille and hob have had that little heart to heart talk, may we have another word, hob?
- Mary and Linda are good friends They often have heart to heart talks with each other.