the joke is on someone
US /ðə dʒoʊk ɪz ɑn ˈsʌmˌwʌn/
UK /ðə dʒoʊk ɪz ɑn ˈsʌmˌwʌn/
1.
誰是笑話, 誰是自作自受
used to say that someone who has tried to make another person look silly has in fact been made to look silly themselves
:
•
He thought he was being clever by tricking me, but the joke is on him now that I've exposed his lies.
他以為耍我很高明，但現在我揭露了他的謊言，他才是那個笑話。
•
They tried to embarrass her with a prank, but when it backfired, the joke was on them.
他們想用惡作劇讓她難堪，但當惡作劇適得其反時，他們自己成了笑話。