all your swans are geese.

直译的意思是“你所有的天鹅其实是鹅”。这句话的意思是某人高估了自己拥有的事物，认为它们比实际的更高贵或更有价值。它通常用来批评那些误认为自己有很大成就或特殊地位的人，实际上这些成就或地位并不像他们所认为的那么出色。

1. "I thought you had all the best equipment for your business, but now I see it’s not so impressive. All your swans are geese."
   我以为你为你的生意准备了最好的设备，但现在我发现并没有那么令人印象深刻。你所有的天鹅其实是鹅。
2. "You brag about your luxury car, but honestly, it’s just a regular sedan. All your swans are geese."
   你总是炫耀你的豪车，但说实话，它只是辆普通轿车。你所有的天鹅其实是鹅。
3. "He talks about his elite academic qualifications, but when you look at them closely, they’re not as impressive as he makes them out to be. All his swans are geese."
   他总是谈论自己的精英学术背景，但当你仔细看时，发现它们并不像他所说的那样令人印象深刻。他所有的天鹅其实是鹅。