and no mistake!
and no mistake
A phrase used to emphasize the statement that precedes it. She's a lovely woman and no mistake. I intend to take this all the way to the Supreme Court if I have to, and no mistake! This was a carefully orchestrated crime and no mistake—amateurs couldn't pull off something like this.
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and ˈno mistake!(old-fashioned, especially British English) used to show that you are sure about the truth of what you have just said: The dinner party was a disaster, and no mistake!
Farlex Partner Idioms Dictionary © Farlex 2017