Forget your sorrows.

Source: Tatoeba

Forget the sad affair.

Source: Tatoeba

I'm sad without you.

Source: Tatoeba

He said to me, "You look sad. What is the matter with you?"

Source: Tatoeba

She helped him overcome his sadness.

Source: Tatoeba

Vladimir spoke sadly into the silence.

Source: Tatoeba

I often feel sad.

Source: Tatoeba

I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind. For in much wisdom is much grief; and he who increases knowledge increases sorrow.

Source: Tatoeba