r later than usual or than expected
adv. 延迟地；延续地
1. She belatedly realized that she had forgotten her friend's birthday.
她迟迟才意识到自己忘记了朋友的生日。
2. The company belatedly responded to the customer's complaint.
公司迟迟才对顾客的投诉做出回应。
3. He sent a belatedly written thank-you note after the party.
他在聚会后迟迟写了一封感谢信。