他为自己迟到发表了正式的道歉。

He made formal ___apologies for his late arrival.

对于无法参加你的生日派对，我深表歉意。

My sincere ___apologies for not being able to attend your birthday party.

她对直言不讳的风格毫无歉意。

She offers no ___apologies for her blunt speaking style.