ご無沙汰しています。
It has been a long time since I wrote you last.
ご無沙汰しています。
ご無沙汰しています。
ご無沙汰しています。
It has been a long time since I got in touch with you last time.
ご無沙汰してます
It has been a long time since I've seen you.
大変ご無沙汰しています。
It has been a long time since I last contacted you.
無礼です。
I'm rude.
I must apologize.
ご無沙汰してます
It has been a long time since I've seen you.
ご無沙汰しています。
It has been a long time since I wrote you last.
I must apologize.
大変ご無沙汰しています。
It has been a long time since I last contacted you.
申し訳ないこと
済まないことをした
さにあらず
だらしないさま
the act of not giving any information (about something)
of the arrangement of something, the state of being disorganized
仕方無いさま
がまんできないさま
絶え間ないこと