Belatedly is the adverb: in a belated way, later than it should have been.

Belatedly is the adverbbelatedly是副詞：in a belated way意思是用遲來的方式，later than it should have been比應該的時間晚。

It often sits with verbs of noticing, acting, or saying sorry: they belatedly realised the mistake; the government belatedly offered help.

It它 often sits with verbs of noticing, acting, or saying sorry常常搭配表示注意到、採取行動、或道歉的動詞：they belatedly realised the mistake他們遲了才發現這個錯誤；the government belatedly offered help政府遲來才提供協助。

It sounds a little formal, the kind of word you meet in news and careful writing more than in quick chat, where people might just say too late or finally.

It它 sounds a little formal聽起來有點正式，the kind of word you meet in news and careful writing是在新聞和講究的文章裡比較常見的字，more than in quick chat而不是隨口聊天時會用的，where people might just say too late or finally聊天時人們可能只會說too late或finally。

It does not mean “slowly”. It means the timing is off — the moment has passed, and now this happens anyway.

It它 does not mean “slowly”不代表『慢慢地』。It它 means the timing is off的意思是時機不對——the moment has passed那個時刻已經過了，and now this happens anyway而這件事現在還是發生了。

You can feel a small sigh in it, though actually it can also be gentle, as when someone belatedly remembers your birthday and still wants to be kind.

You can feel a small sigh in it你可以在這個字裡感覺到一點小小的嘆息，though actually不過其實 it can also be gentle它也可以是溫柔的，as when someone belatedly remembers your birthday比如有人遲了才想起你的生日 and still wants to be kind但還是想表達心意。