English → Chinese
darken
/BrE ˈdɑːk(ə)n 
, AmE ˈdɑrkən /
A transitive verb
1 (reduce light in) «clouds, person» 使…变暗 ‹sky, room›;
to darken sb's door figurative 擅自踏进某人家门
2 (make dark) 使…变深 ‹colour, paint›;
darkened glass 深色玻璃
3 figurative (make gloomy) «worry, news» 使…蒙上阴影 ‹mood, thought›;
to darken one's wedding day/the atmosphere 给婚礼带来不快／使气氛变得沉重
B intransitive verb
1 (lose light) «sky, room» 变暗
2 (become less pale) «skin» 变黑; «liquid» 颜色变深
3 figurative (become gloomy) «mood, atmosphere» 变得阴沉;
his brow/face darkened (at the thought of sth) 他（一想起某事就）沉下脸来