Related Clues:

• Not yet familiar with
• Unfamiliar with
• Not used to
• Not yet proficient with
• Just learning about
• Not yet skilled in
• Unaccustomed to
• Not well versed in
• Not accustomed to
• Inexperienced in
• Uninitiated in
• Hardly an old pro at
• Having no experience in
• Not comfortable with
• Not yet used to