不好意思久未聯絡英文

如果你想用英文表達對某人說「不好意思久未聯絡」,你可以說:

"I'm sorry for the delayed response." "I apologize for the lack of communication lately." "I'm sorry I haven't been in touch for a while." "I apologize for the long silence." "I'm sorry for not getting back to you sooner."

這些都是比較正式和禮貌的說法,可以用來向對方表示你的歉意,並解釋為什麼你沒有及時聯繫。