- 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.