脑筋急转弯 nǎojīnjízhuǎnwān brain teaser Definitions Defs Origin Strokes Stroke Words Sentences Sents nǎojīnjízhuǎnwān brain teaser 脑筋 腦筋 nǎojīn brains Brains; mind; mental capacity for thinking, memory, or imagination.急转弯 急轉彎 jízhuǎnwān to make a sharp turn to turn suddenly and sharply while driving or movingnǎojīnjízhuǎnwān to think outside the box 脑筋 腦筋 nǎojīn way of thinking Way of thinking; ideas; mindset or ingrained mental habits.急转弯 急轉彎 jízhuǎnwān to take a radical turn to undergo a sudden and major change in direction, thinking, or circumstances