redden

• 动词，指变红或使某物变成红色。

A verb used to indicate the act of becoming red or making something red in color.

1. Become red from emotionB2formal

   To become red in the face, typically due to embarrassment, shame, or anger.

   脸红

   • She reddened when he complimented her.
   • He reddened with shame after the mistake.
   • The child reddened under the teacher's stern gaze.

   同义词blushcolorcrimsonflush

2. Make something redB2formal

   To cause something to become red in color.

   使变红

   • The sunset reddened the sky.
   • The dye reddened the fabric.
   • The cold wind reddened her cheeks.

   同义词crimsonencrimsonflushrouge

   反义词blanchbleachwhiten

3. Turn red or redderB2formal

   To change color to red or to a deeper shade of red.

   变红

   • The leaves redden in autumn.
   • The fruit reddens as it ripens.
   • His face reddened from the exertion of running.

   同义词blushcolorcrimsonflush