somebody's mind is wanderingMENTALLY ILLused to say that someone has become unable to think clearly, especially because they are old 某人〔尤因年老而〕头脑糊涂[思路不清]somebody’s mind is wandering• My mind is wandering, as Isabel has said, I forget things.• Paul finds his mind is wandering, thinking about the poll tax program again.
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