
**动词 (v.)**:使变暗;变黑;使阴沉。指光线减弱、颜色加深,或情绪、表情变得阴郁。
/dr.kn/
The sky began to darken as the storm approached.
暴风雨来临时,天空开始变暗。
Years of hardship had darkened his outlook on life, making him suspicious of kindness from strangers.
多年的艰辛使他对生活的看法变得阴郁,让他对陌生人的善意心存怀疑。
由古英语 deorc(黑暗的)演变而来的形容词 dark 加上动词后缀 -en 构成,表示"使……变暗"。后缀 -en 是英语中常见的动词化构词方式,类似的词还有 brighten(使变亮)、soften(使变软)等。该词自中古英语时期便已使用。