the shoe is on the other foot 情況相反，情況完全不同了，今非昔比 Now the shoe is on the other foot. We have to change. 現在情況已經完全不同了，我們也必須有所改變。 Back at school we thought Mike was stupid. Now the shoe is on the other foot. He's made lots of money. 從前在學校的時候我們都覺得麥克很蠢，然而現在可今非昔比，如今他掙了好多錢。
