brain·child
noun/ˈbreɪntʃaɪld/
/ˈbreɪntʃaɪld/
[singular]- an idea or invention of one person or a small group of people
（个人或小群体的）主意，发明 - The TV programme was the brainchild of the producer.
该电视节目是制片人的创意。
- The TV programme was the brainchild of the producer.