"This doesn't work..." encapsulates the frustrated exclamation of an individual faced with the disappointing reality of a malfunctioning endeavor. It symbolizes their failed attempts and the ensuing frustration that comes from encountering an obstacle that hampers progress. Despite their best efforts, their expectations have been shattered, leaving them feeling disillusioned and discouraged. This simple phrase serves as a concise expression of their disappointment and serves as a reminder of the setbacks and challenges they must confront in their pursuit of success.