心不在焉的；健忘的
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心不在焉的；健忘的
absent-minded, forgetful, and easily distracted, like a scatterbrain
My scatterbrained roommate left her keys in the fridge again.
我那心不在焉的室友又把钥匙落在冰箱里了。
具有心不在焉、健忘、易分心等特质的
Having the qualities of a scatterbrain: absent-minded, forgetful, easily distracted.
缺乏理智或判断力
lacking sense or discretion; ; - Glenway Westcott
凭一时冲动和幻想行事
guided by whim and fancy
I felt scatterbrained after pulling two all-nighters in a row.
连续熬了两个通宵后，我觉得自己丢三落四的。
Don't ask that scatterbrained guy to remember the meeting time.
别让那个丢三落四的家伙记会议时间。
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Dictionary facts from ECDICT, WIKTIONARY.