プログレッシブ和英中辞典(第３版)の解説
ぶさた【無×沙×汰】
- ごぶさたをおわび申し上げます
I apologize for my long silence.／I'm sorry I haven't contacted you for such a long time. - ごぶさたしました
〔手紙で〕Excuse me for not writing for such a long time.／〔久し振りで会って〕It's been ages [a long time] since I saw you last. - あの店にもずいぶんごぶさたしている
I haven't been to that shop for a long time.