Английский словарь американских идиом - tone down

{v.} To make softer or quieter; make less harsh or strong; moderate. * /He toned down the sound of the TV./ * /She wanted the bright colors in her house toned down./ * /When the ladies arrived, he toned down his language./ * /The strikers were asked to tone down their demands for higher pay so that there might be a quicker agreement and an end to the strike./