* She sighed with relief when she finally found her lost keys. (This shows a sigh of relief)
* The old man sighed, remembering the days of his youth. (This shows a sigh of sadness or longing)
* He sighed heavily, knowing he had made a mistake. (This shows a sigh of disappointment or regret)
* The wind sighed through the trees, creating a melancholic sound. (This is a figurative use of "sigh" to describe a sound)
"Sighing" can be used to describe a physical action or a feeling, and the context often helps to clarify the meaning.