The relationship had been important to me and its loss left me feeling sad and empty.

这种关系对我一直都很重要，失去它让我感到难过而空虚。

《柯林斯英汉双解大词典》

Are you feeling sad, tired, forgetful, or unhappy today?

你今天是否感到悲伤、疲惫、健忘或不开心？

youdao

Just as Peter started feeling sad, someone suddenly ran into him.

正当彼得开始感到难过时，突然有人撞到了他。

youdao

Parents who may be feeling sad about "letting go" are warned to keep their emotions in check.

BBC: NEWS | UK | Education | First day at school? Be positive

People who may have never owned anything from the YSL brand are finding themselves feeling sad and nostalgic.

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What adds poignancy to these tales is the sad feeling that some of these cultures seem to be on the way out, inevitable casualties of the advance of the modern world.

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