1. confusion

    混同する confuse ((with)),mix up ((with));〔取り違える〕mistake ((for))

    • 彼はいつも公私を混同する
    • He always confuses official and private matters./He can't keep official and private matters straight.
    • 私の意見を彼の意見と混同しないように願いたい
    • I hope you won't mistake my opinion for his.