Possible Clues:

• Part of a trainee's learning curve, maybe
• Shortening piece of verse, try peculiar vocabulary
• Puzzling out some jargon
• Tongue and groove primarily used in flooring
• Having shortened text, depart peculiar vocabulary
• Particular speech from Dublin gobshite
• Specialized language
• Log in (anag.)
• Large, independent charity possibly making very specific terms
• Strange language from fish and duck