If you meant "sang lang" (丧郎), it means "mourning a young man" or "losing a young man."
Here's a breakdown:
* 丧 (sāng) means "to mourn" or "to be bereaved."
* 郎 (láng) can mean "young man" or "husband."
Therefore, "sang lang" in this context would refer to the sadness and grief associated with the loss of a young man.
It's important to note that without context, it's difficult to be certain about the meaning of a phrase. If you can provide more information about where you encountered this saying, it may be possible to determine its intended meaning.