used to emphasize what you are saying, especially when you want to warn sb about sth :
Make no mistake (about it), this is one crisis that won't just go away.
used to emphasize what you are saying, especially when you want to warn sb about sth :
Make no mistake (about it), this is one crisis that won't just go away.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005