绞尽脑汁 Traditional 絞盡腦汁 jiǎo jìn nǎo zhī 🔊 to rack one's brains + Keep this word Meanings jiǎo jìn nǎo zhī 絞盡腦汁 to rack one's brains Its characters 绞jiǎoto twist (strands into a thread)HSK 7–9尽jìnto use upHSK 6脑nǎobrain汁zhījuice