gen up phrasal verb British English informal ( see also ↑ gen )
to learn a lot of information about something for a particular purpose
gen up on
Gen up on the company’s product before the interview.
gen up phrasal verb British English informal ( see also ↑ gen )
to learn a lot of information about something for a particular purpose
gen up on
Gen up on the company’s product before the interview.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012