No, don't hypenate child at heart.
Heart-to-heart and half-baked are hyphenated words. Additional words include high-minded.
Some examples of hyphenated modifiers in books are "well-known author," "heart-wrenching story," and "fast-paced thriller." These phrases use hyphens to connect words that work together to modify a noun and create a specific meaning or image for the reader.
That is disgusting, you should go to jail for that
The Heart of a Child was created in 1915.
Heart of a Child was created in 1958-04.
The duration of Heart of a Child is 1.22 hours.
With a Child's Heart was created in 1972-03.
It is not hyphenated.
No it's not hyphenated.
Motorcycle is not hyphenated
Cross-country Self-confidence Mother-child
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated