機き嫌げんを損そこねる

expression, ichidan verb

displease; offend; hurt someone's feelings

Used when someone's mood is spoiled or they become upset, often because of something said or done. The subject is typically the person or action that causes the displeasure.

• 彼かれの冗じょう談だんが彼かの女じょの機き嫌げんを損そこねた。

  His joke offended her.

• そんなことを言いうと、上じょう司しの機き嫌げんを損そこねるよ。

  If you say something like that, you'll hurt the boss's feelings.