手間 てまをかける
temao kakeru

Ichidan Verb
Expression

1. to take pains; to take time for someone; to do work for someone; to go to trouble for someone

ずいぶんお手間 てまをかけさせまして、すみませんでした。
zuibun otemao kakesasemashite sumimasendeshita.
It was nice of you to go to so much trouble.
Other forms: