незначительно уменьшать, подрезать(if you shave a small amount off something such as a price or a record, you make the price slightly smaller or the record time slightly shorter: She shaved half a second off the world record. LDCE. Starting earlier this month, the oil majors shaved roughly 1 percent to 2 percent off the prices of 92 and 95 gasoline. TMT Alexander Demidov)
