Historical clue formulations

• Dabble in — 2026-09-01
• Do unseriously — 2017-01-19
• Do halfheartedly — 2015-05-09
• Not engage in seriously — 2015-03-30
• Dabble in — 2009-10-15
• Dabble in — 2005-03-16
• Dabble in — 2003-08-25