“in a pig's eye”别理解成“在猪的眼里”，引申为决不，不可能。

【例句】
Step down from the board of directors? In a pig's eye I will!
辞去董事会的董事？我决不会这样做。

He told you his father owns the company? In a pig’s eye!
他告诉你他的父亲拥有这家公司？不可能！