Related Clues:

• Expression of serious expert
• Facial expression shows I'm in blissful state
• Stern-faced expert's twisted expression
• Make a face at flighty type behind stern
• [That's painful!]
• Unpleasant expert gives scowl
• Expression of disgust, ghastly one
• Pained expression? I'm in favour
• Expression of good fighter pilot on edge?
• Anguished look
• McDonald's character who, despite his name, is often shown smiling
• Reaction to a really bad pun
• Smirk, as I’m in a sin-free state
• Painful expression I am to write into prayer
• Frown, seeing the compiler's clothed in elegance