tarnishとは何ですか?To dull the luster of; discolor, especially by exposure to air or dirt.To detract from or spoil; taint: a tragedy that tarnished our hopes. To cast aspersions on; sully: slander that tarnished the senator's image. To lose luster; become discolored.To diminish or become tainted.The condition of being tarnished.Discoloration of a metal surface caused by corrosion or oxidation.The condition of being sullied or tainted.