話はなしが違ちがう

expression, godan verb (-u)

that's not what you said; that's different from what was promised

Used when someone's current statement or situation contradicts what they previously said or promised, often with a sense of complaint or surprise.

• 昨日きのうの説せつ明めいと話はなしが違ちがうじゃないか。

  That's not what you said yesterday, is it?

• 契けい約やく内ない容ようと話はなしが違ちがうので、納なっ得とくできません。

  This is different from what was promised in the contract, so I can't accept it.