拋磚引玉

1. • lit. throw out a brick and get jade thrown back (idiom)
2. • fig. to attract others' interest or suggestions by putting forward one's own modest ideas to get the ball rolling

Character by character

• 拋(pāo)throw
• 磚(zhuān)brick
• 引(yǐn)attract
• 玉(yù)jade