a truthful answer的用法和样例：
- The answer is that you cannot find out with any certainty unless you ask him the question, and unless he is willing to give you a truthful answer.
- Just asking, since Lena Park isn't here at the moment but what do you think/feel about performing with Lena Park? A truthful answer, please.
- It's refreshing to talk to such a truthful person.
- A truthful person shines like a star.
- Better a lie that heals than a truth that wounds.
- It is a truth universally acknowledged!