the lights are on but nobody’s home
US /ðə laɪts ɑr ɑn bʌt ˈnoʊbədiz hoʊm/
UK /ðə laɪts ɑr ɑn bʌt ˈnoʊbədiz hoʊm/
1.
燈亮著但家裡沒人, 不聰明, 心不在焉
used to describe someone who is not very intelligent or is not paying attention
:
•
He just stared blankly when I asked him a question, like the lights are on but nobody’s home.
我問他問題時，他只是茫然地盯著，就像燈亮著但家裡沒人一樣。
•
Sometimes I worry about my brother; he can be a bit slow, you know, the lights are on but nobody’s home.
有時我擔心我的兄弟；他可能有點遲鈍，你知道，就是那種燈亮著但家裡沒人的情況。