ひのうちどころ
fault; flaw; weak point; shortcoming
Also written 非の打ちどころ
Expression, Noun
彼女かのじょの英語えいごは非ひの打うち所どころがなくて、まさか外国人がいこくじんだと思おもわなかった。
Her English was impeccable, I didn't think she was a foreigner.