Confused old man（Close-up of face）: "A detailed and realistic close

Confused old man（Close-up of face）: "A detailed and realistic close-up of an elderly man's face with white hair and a full beard, showing a puzzled expression. His eyebrows are raised, and his mouth is slightly open as if he’s trying to understand something confusing. The texture of his skin and the details in his beard are emphasized, with the background softly blurred to maintain focus on his expression."