Possible Clues:

• Point pedant raised, boxing clever
• Master likely to keep in lower classes
• Expert answer's a little short of profundity
• Handy bit of soft-pedalling in recession
• Such a bit of business is not for the uninitiated
• Practised for record time that's given commercial support
• Expert said sexpot needs to get rid of regulars
• Virtuoso
• More than merely capable
• Expert in a small part of the organisation