お構かまいなく

expression

please don't fuss over me; don't go to any trouble; don't bother

A polite set phrase used when declining someone's offer of hospitality or assistance, often said to a host or someone who is about to do something for you. It conveys 'please don't go out of your way for me'.

• お茶ちゃでもいかがですか？—いえ、お構かまいなく。

  Would you like some tea? — No, please don't bother.

• どうぞお構かまいなく。すぐ帰かえりますので。

  Please don't go to any trouble. I'll be leaving soon.