卖破绽

卖破绽	mài pò zhàn	to feign an opening in order to hoodwink the opponent (in a fight, combat etc)
卖	mài	to sell / to betray / to spare no effort / to show off or flaunt
破	pò	broken / damaged / worn out / lousy / rotten / to break, split or cleave / to get rid of / to destroy / to break with / to defeat / to capture (a city etc) / to expose the truth of
破绽	pò zhàn	split seam / (fig.) flaw / weak point
绽	zhàn	to burst open / to split at the seam