绞尽脑汁 (jiǎo jìn nǎo zhī) | Meaning: to rack one's brains | Chinese Idiom with Pinyin & Origin

lit. thousand ways, a hundred plans (idiom); by every possible means千方百计qiān fāng bǎi jì

to dig for thoughts (idiom); to search everything for an answer · to rack one's brains挖空心思wā kōng xīn si

to turn over in one's mind (idiom); to think through from different angles · to ponder左思右想zuǒ sī yòu xiǎng

(idiom) to think deeply; to rack one's brains苦思冥想kǔ sī míng xiǎng

to spare no effort (idiom); to do one's utmost尽心竭力jìn xīn jié lì

to rack one's brains