最終更新日：2024/08/05
(informal) Is very sure about; especially when the thing in question is apparently not the case or could be doubted.
正解を見る
could have sworn
編集履歴（0）
(informal) Is very sure about; especially when the thing in question is apparently not the case or could be doubted.
could have sworn
DiQt（ディクト）
無料
★★★★★★★★★★
