钻 zuānzuàn HSK6 drill Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: study All meanings 11 zuān 8 drill 3enter 3maneuver 1study 1zuàn 3 diamond 2drill 1 1 sentence for 钻 (zuān — study) 他这几年一直钻在学术研究里。 tā zhè jǐ nián yīzhí zuān zài xuéshù yánjiū lǐ. He has been buried in academic research for the past few years. Source: Dong Chinese Dictionary