多忙

プログレッシブ和英中辞典(第4版)

たぼう【多忙】

仕事で多忙を極めている
I am very busy with my work.／I'm pressed with business.

公私多忙のためクラス会に欠席した
I was unable to attend the class reunion on account of the pressure of official and private business.

先生は試験の採点で多忙だ
The teacher is busy marking papers.

ご多忙中恐縮です
I'm sorry to trouble [intrude on] you when you are so busy.

出典　小学館「プログレッシブ和英中辞典(第4版)」