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.
lampu menyala tetapi tiada sesiapa di rumah, tidak berapa cerdik, tidak memberi perhatian
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.
Dia hanya merenung kosong apabila saya bertanya soalan, seperti lampu menyala tetapi tiada sesiapa di rumah.
•
Sometimes I worry about my brother; he can be a bit slow, you know, the lights are on but nobody’s home.
Kadang-kadang saya risau tentang abang saya; dia boleh jadi agak lambat, anda tahu, lampu menyala tetapi tiada sesiapa di rumah.