動詞 tone down:

1. deaden (a sound or noise), especially by wrapping
   同義詞：muffle, mute, dull, damp, dampen
2. make less strong or intense; soften
   同義詞：moderate, tame

1. You'd better tone down the more offensive remarks in your article.
   你最好把你文章里的攻擊性詞句寫得含蓄些。
2. In his public statement the minister toned down his criticisms he had made in private.
   部長在公開發(fā)表言論時比他在私下批評時的調子要緩和一點兒。
3. The bright blue wilt tone down with the effect of sunlight.
   陽光一照射這明亮的藍色就會柔和下來。