名詞 lightness:

1. a feeling of joy and pride
   同義詞：elation, high spirits
2. the property of being comparatively small in weight
   同義詞：weightlessness
3. the gracefulness of a person or animal that is quick and nimble
   同義詞：agility, legerity, lightsomeness, nimbleness
4. having a light color
5. the visual effect of illumination on objects or scenes as created in pictures
   同義詞：light
6. the trait of being lighthearted and frivolous
   同義詞：lightsomeness

1. Characterized by quickness, lightness, and ease of movement; nimble.
   敏捷的，靈活的具有迅速、輕巧和易動特點的; 靈活的
2. Lightness of manner or speech, especially when inappropriate; frivolity.
   輕浮，輕率舉止或言談不嚴肅，尤指在不適當?shù)膱龊? 輕佻
3. Resembling or suggestive of a feather, as in form or lightness.
   似羽毛的結(jié)構(gòu)上或輕度上象羽毛的，使人聯(lián)想起羽毛的
4. The reader who do not detect the seriousness under the lightness often misread him.
   沒有意識到輕松掩蓋下的嚴肅性的讀者常常會誤解他。

lightness

n.（名詞）
The quality or condition of being illuminated.
光亮度：光照的性質(zhì)或條件
Color The dimension of the color of an object by which the object appears to reflect or transmit more or less of the incident light, varying from black to white for surface colors and from black to colorless for transparent volume colors.
【色彩】 （顏色的）淺淡：可以從物體對入射光的光亮反射或透射程度的多少來決定的光亮度，從變化上對于表面來說可從黑色到白色，對于透明色來說是從黑色到無色

lightness
lightness 2

n.（名詞）
The state or quality of having little weight or force.
輕：重量或力量輕的狀態(tài)或性質(zhì)
Ease or quickness of movement; agility.
動作的輕松或迅速；敏捷
Ease or cheerfulness in manner or style.
舉止或風度的自在或優(yōu)雅
Freedom from worry or trouble.
無憂慮：無煩惱或憂慮
Lack of appropriate seriousness; levity.
輕浮：缺乏適中的嚴肅；輕率
Delicacy or subtlety in craft, performance, or effect.
精巧：優(yōu)美或精妙的手藝、表達或效果