Word: 伤脑筋 (shāngnǎojīn) Traditional: 傷腦筋 伤脑筋 dictionary entry shāngnǎojīn to be a real headache; to find sth a real headache; to beat one's brains Full dictionary entry for 伤脑筋 Example sentences using 伤脑筋 2 sentences, showing page 1 of 1. 我最近为孩子的学习伤脑筋。 Wǒ zuìjìn wèi háizi de xuéxí shāngnǎojīn. I've been racking my brain lately over my child's studies. 房租又涨了，这真伤脑筋！ Fángzū yòu zhǎngle, zhè zhēn shāngnǎojīn! The rent has gone up again, and that's a real headache!