1. I saw him redden with pleasure.
    我看到他高兴得脸都红了。

2. He reddened with anger.
    他气得脸通红。

1. redden的意思

1. 变红：redbreast 知更鸟 | redden 变红 | reddish 带红色的

2. redden的翻译

2. 使变红：blush由于受窘或惭愧而突然脸红 | redden使变红 | color使脸红

3. (鰔干鱼的)赤变;发红：rectum 直肠 | redden (鰔干鱼的)赤变;发红 | redding 干熏鲱鱼

4. 变红;赧颜：101. slip 失足;滑倒 | 102. redden 变红;赧颜 | 103. juncture 结合点;接合处

1. （常指因尴尬或愤怒）脸红
    If someone reddens or their face reddens, their face turns pink or red, often because they are embarrassed or angry.

    e.g. He was working himself up to a fury, his face reddening...
           他勃然大怒，脸涨得通红。
    e.g. She reddened instantly...
           她的脸立刻红了。

1. turn red, as if in embarrassment or shame

    e.g. The girl blushed when a young man whistled as she walked by

    Synonym: blushcrimsonflush

2. turn red or redder

    e.g. The sky reddened

3. make red

    e.g. The setting sun reddened the sky