In your dreams:
在你梦里 ×
做梦去吧 √
例句:
In your dreams! There's no way you can make it.
做梦去吧!你不可能会成功的。
我敢说、我敢打赌:
① I bet
② I'll say
例句:
① I bet he'll spend all his money in a few days because the money is burning a hole in his pocket.
我敢说,不出数天他便会把钱花光,因为他是个留不住钱的人。
② I'll say you made it all up.
我就说是你胡说八道。