a childish heart的用法和样例：
- Papa had a wonderfully interesting style of conversation ,intelligible to my childish brain , delightful to my childish heart .
- A childish idea like that can be amusedly tolerated.
- A striving childish heart has built up a spiritual support, radiated as a bright sun in mother's heart, formed a dream of contributing light and heat to mankind.
- You would be laughed out of court with such a childish question.