思い巡らす

(1)reflect deeply on a subject; "I mulled over the events of the afternoon"; "philosophers have speculated on the question of God for thousands of years"; "The scientist must stop to observe and start to excogitate"

(2)主題に関して深く考える

(3)think intently and at length, as for spiritual purposes; "He is meditating in his study"

(4)精神的な目的に関して、熱心に、そして詳細に考える

(1)