make no mistake

make no mistake

What I have said or am about to say is absolutely certain; do not think otherwise. Make no mistake, I intend to take this all the way to the Supreme Court if I have to. Make no mistake, this was a carefully orchestrated crime—not some amateur job.
See also: make, mistake, no
Farlex Dictionary of Idioms.

Make no mistake (about it)!

Inf. Do not be mistaken! You can be certain. Sally: I'm very angry with you! Make no mistake about it! Fred: Whatever it's about, I'm sorry. Clerk: Make no mistake, this is the finest carpet available. Sally: I'd like something a little less fine, I think.
See also: make, no
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

make no mistake

Have no doubt, certainly, as in Make no mistake-I'll vote Republican no matter who runs. [Mid-1800s] Also see get someone wrong.
See also: make, mistake, no
The American Heritage® Dictionary of Idioms by Christine Ammer.

make no mistake (about it)

do not be deceived into thinking otherwise. informal
1974 Times Make no mistake. We had a major work of television last night.
See also: make, mistake, no
Farlex Partner Idioms Dictionary

ˌmake no miˈstake (about something)

(spoken) used to emphasize what you are saying, especially when you want to warn somebody about something: Make no mistake (about it), this is one crisis that won’t just go away.
See also: make, mistake, no
Farlex Partner Idioms Dictionary

Make no mistake !

verb
See Make no mistake about it!
See also: make, no
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • Make no mistake!
  • make no mistake about it
  • Make no mistake about it!
  • spit it out
  • Spit it out!
  • spit out
  • mean to say
  • and no mistake
  • and no mistake!
  • by mistake