生动；逼真；鲜艳；活泼；

1. The picture has not lost its vividness after all these years.
    这么多年过去了这张照片仍然没失去它的鲜明。

2. The little boy''s vividness affected everyone.
    这个小男孩的活泼使每个人都受到感染。

3.

3. The memory of the old days all rushed back upon him with sickening vividness.
    过去时光的记忆带着令人极不愉快的清晰向他袭来。

1. 活泼：vividly 生动地 | vividness 活泼 | vivification 苏醒

2. 清晰：vivacious type 活泼型 | vividness 清晰 | viviparous 胎生的

3. 鲜明：vividlifelike 传神 | vividness 鲜明 | vivification 苏醒

4. vividness

4. 清楚：vivacious type 活泼型 | vividness 清楚 | viviparous 胎生的

1. chromatic purity: freedom from dilution with white and hence vivid in hue

    Synonym: saturationchromaintensity

2. interest and variety and intensity

    e.g. the Puritan Period was lacking in color
           the characters were delineated with exceptional vividness

    Synonym: colorcolour