а> подпихивать, помогать подняться The small girl had to be boosted up onto the large horse. б> поддерживать The company needs boosting up, if it is not to he defeated by its competitors. Jim is not very cheerful; he needs a holiday to boost him up.
BOOST UP
Англо-русский перевод BOOST UP
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012