gen up
phrasal verb with gen verb uk/dʒen/ us/dʒen/ -nn-
UK old-fashioned informal
了解详情;摸清事实;查明情况
to find out as much information as possible
Derek genned up on the country's history before going there. 德里克去那个国家之前先好好了解了一下它的历史。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。