vt.
使适中；使软化；使温和；缓和，减轻：
He has tempered the strong drink with water.
他已经用水将烈酒冲淡。
to temper justice with mercy
恩威并施
to temper criticism with reason
以说理缓和批评的语气
Tom tempered his refusal with a smile.
汤姆微笑着加以婉转拒绝。
【冶金学】使回火；锻炼(金属等)：
to temper steel by heating a