"忙的"在英语中通常被翻译为"busy",如果你想表达某人非常忙碌,你可以使用"very busy", "extremely busy", 或者 "overwhelmed with work"等表达方式。
He is very busy at the moment. (他现在非常忙。)
She is extremely busy with her new job. (她对她的新工作非常忙碌。)
The office is overwhelmed with work this week. (这个星期办公室的工作量非常大。)