not to understand the ABC of the position - совершенно не понимать обстановки
as easy as ABC - очень просто, элементарно
abc classification - трёхразрядная классификация товарно-материальных запасов
abc-power unit - комплект для полного питания радиоустройства
abc standard - стандарт, единый для США, Великобритании и Канады
ABC soil: a vertical section of soil made up of three distinct layers: the top layer ( A-horizon ) is mostly humus, the middle layer ( B-horizon ) is of clay and oxidized material, and the bottom layer ( C-horizon ) consists of loose rock and other mineral materials
ABC Powers: Argentina, Brazil, and Chile, usually with reference to their mediation between the U.S. and Mexico in 1914
easy as pie: very easy to do. Compare a piece of cake ; see piece .