Search the dictionary A Chinese word or character, or English Draw a character Search 6 entries. zuānyán 钻研 to study meticulously zuānyán 鑽研 to study meticulously zuānyǎn 钻眼 to drill a hole zuānyǎn 鑽眼 to drill a hole kèkǔzuānyán 刻苦钻研 to study diligently kèkǔzuānyán 刻苦鑽研 to study diligently