Historical clue formulations

• Lacking a knack for — 2025-03-16
• Not doing well — 2018-11-11
• Having trouble with — 2018-06-20
• Having trouble with — 2018-03-15
• Having no talent for — 2010-05-09
• Lacking skill in — 2010-01-24
• Performing poorly in — 2005-07-04
• Without a talent for — 1995-05-26