tone

英 [təʊn] 美[ton]

make something less harsh in sound or colour

使声音（或颜色）柔和

To make less vivid, harsh, or violent; moderate.

使…柔和：使变得不那么鲜明、生硬或强烈；调和

To make or become brighter or more vigorous.

使增强：使或变得更加明快或更有力量

1. "I know you," he said flatly, matter-of-fact, neutral in tone.: “我认识你。”他平淡地说道，就事论事，不带任何感情。

2. Each brick also varies slightly in tone, texture and size.: 每块砖在色调、质地与大小上也都略有不同。

3. Helen's choice of lipstick was a good match for her skin-tone.: 海伦选择的唇膏很适合她的肤色。

5. The spokesman said the tone of the letter was very friendly.: 发言人说信函的语气非常友好。