专心从事 词语: 专心从事解释: knuckle down to词典: 经贸专业汉英词典 专心从事 相关解释 knuckle down to 〔名词〕专心从事 knuckle down to 〔及物动词〕屈服于 专心从事 devote to 专心从事 devote herself to;devote himself to;devote themselve to