far cry

(n) something very different; very different from

Examples:

His last statement was a far cry from his first story.
The first automobile could run, but it was a far cry from a modern car.
Although the 600 people are expected to attend the service at St. George's Chapel, that number is still a far cry from Kate and William's nearly 2000 church guests.
Why Meghan Markle and Prince Harry’s Wedding Delivers a Powerful Message of Authenticity
If you live in a tiny cottage and your next door neighbour has an enormous mansion, you could say that your house is a far cry from your neighbour's.
It was a far cry from what he had expected. Nó khá là khác với những gì anh ấy từng mong.
The quiet village is a far cry from the city life he used to know.

Syms: huge difference, big difference; a discrepancy