プログレッシブ和英中辞典(第4版)の解説
たんねん【丹念】
丹念な調査
a painstaking investigation
当時の風俗の丹念な描写
a detailed description of the customs of that time
丹念に実証したみごとな論文だ
This is an admirable thesis, carefully documented.
彼は土器のかけらを丹念に拾った
He picked up the pieces of earthenware with scrupulous care.