Т157
СБАВЛЯТЬ/СБАВИТЬ (ПОНИЖАТЬ/ПОНИЗИТЬ, СНИЖАТЬ/СНИЗИТЬ) ТОН
VPsubj:
human to begin to speak in a less agitated, irritated way, or in a less aggressive, insolent manner
X сбавил тон = X softened his tone
X moderated his tone (voice)X toned it downX toned down (subdued) his voice.