v.变黑（暗）；阴沉下来；模糊不清

The forest darkles as the sun sets, casting an eerie silence over the trails.
太阳落山时，森林渐渐变得昏暗，给小径投下了一层诡异的寂静。
The sky began to darkle with storm clouds, signaling an imminent downpour.
天空开始布满乌云，预示着即将有一场大雨。
As the night fell, the old mansion's windows darkled, suggesting empty rooms within.
夜幕降临，老宅的窗户渐暗，暗示着屋内空无一人。
The mood in the room darkled when the news of the loss was shared.
当损失的消息被分享时，房间里的气氛变得沉重起来。
The candle flame darkled before finally flickering out, leaving the room in total darkness.
蜡烛的火焰在最终熄灭前微弱地闪烁，让房间陷入完全的黑暗。
His hopes for the project darkled when he realized the enormity of the challenges ahead.
当他意识到前方挑战的巨大时，对这个项目的希望变得渺茫。
The old photograph, with its fading colors, seemed to darkle with memories of the past.
那张褪色的老照片，似乎带着过往记忆的暗淡。
The lake darkled under the moonless night, its surface reflecting the starry skies above.
无月之夜，湖面在星光下显得幽暗，映照着头顶的繁星。
The mention of her name darkled his expression, revealing unresolved feelings.
一提到她的名字，他的表情就暗淡下来，显露出未解的情愫。
The story's ominous tone darkled the atmosphere, making listeners feel uneasy.
故事中不祥的基调使氛围变得阴沉，让听众感到不安。