Simple Examples:
* There was a discernible difference in the quality of the two wines.
* Despite the loud music, a discernible cough could be heard from the back of the room.
* The path was barely discernible in the thick fog.
More Complex Examples:
* The subtle shift in his demeanor was discernible only to those who knew him well.
* With careful examination, faint discernible scratches could be found on the ancient artifact.
* Even in the darkness, a discernible silhouette of the building emerged against the moonlit sky.
Using it in a negative sense:
* There was no discernible pattern to the strange symbols on the wall.
* Despite the efforts of the police, there were no discernible leads in the case.
Remember: "Discernible" means something that can be clearly seen, heard, or understood. It implies a level of clarity and distinction.