expression, godan verb (-su)
to cause trouble; to be a burden
Humble expression used to apologize for the inconvenience one's request or action may cause. Often used in business or formal settings.
See also: 手数をかける
I apologize for the trouble, but please fill out this form.
度々お手数をおかけいたしまして、申し訳ございません。
I am very sorry to trouble you repeatedly.