小儿科

1. • pediatrics
2. • pediatric (department)
3. • sth of little importance
4. • trifle
5. • a child's play
6. • childish

     slang

7. • petty
8. • stingy

Character by character

• 小(xiǎo)small
• 儿(ér)child
• 科(kē)branch of study