LEARNit Dictionary

darken

verb
1
to become dark; to make something dark
تاریک شدن, تاریک کردن
2
to become unhappy or angry; to make somebody unhappy or angry
مکدر کردن, غمگین کردن, عبوس شدن
Her mood darkened at the news.
Luke's face darkened .
It was a tragedy that darkened his later life.