From Chinese 拋 (pāo, "toss out, lob") + 磚 (zhuān, "brick, brickbat") + 引 (yǐn, "extract, get") + 玉 (yù, "jade"), one of the Thirty-Six Strategems, originally in reference to tossing brickbats at one's enemy to get an (exploitable) reaction or win a greater prize.
拋磚引玉 (traditional, Pinyin 抛砖引玉), simplified
- (self-depreciating) To offer one's own relatively worthless words, opinions, or services in order to attract others' more valuable contributions
- More than 20 years ago, Zeng Qi was the first Hong Kong businessman to go to Xiamen to invest. At the time, he thought of himself as a a plain rock that attracts jade, making it possible for even more businessmen from Hong Kong, Macao and Taiwan to return to the Motherland to invest.
- (originally rare) To achieve success by goading one's opponent