If you ~ something, you increase, strengthen, or improve it.
Both sides are still beefing up their military strength.
...a beefed up police presence.
PHRASAL VERB: V P n (not pron), V-ed P, also V n P
If you ~ something, you increase, strengthen, or improve it.
Both sides are still beefing up their military strength.
...a beefed up police presence.
PHRASAL VERB: V P n (not pron), V-ed P, also V n P
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012