а. быть наравне с кем-л., чем-л. Jim was abreast of the leading runner for a few minutes but then fell behind. б. быть в курсе дела Scientists have to be abreast of the latest discoveries and developments if they want to advance in their profession.
BE ABREAST OF
Англо-русский перевод BE ABREAST OF
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012