exaggerate       
verb [ I or T ] uk/ɪɡˈzædʒ.ə.reɪt/ us/ɪɡˈzædʒ.ə.reɪt/
C1 夸张;夸大;对…言过其实
to make something seem larger, more important, better, or worse than it really is
  The threat of attack has been greatly exaggerated. 遭受袭击的威胁被过分夸大了。 
 Don't exaggerate - it wasn't that expensive. 不要言过其实——没有那么贵。 
 I'm not exaggerating - it was the worst meal I've ever eaten in my life. 我不是在夸大其词——那是我这辈子吃到的最难以下咽的饭了。 
 - More examples
 - You shouldn't believe everything she says - she does tend to exaggerate.
 - The minister suggested that some leading environmentalists were exaggerating the issues somewhat.
 - She was a bit annoyed, but she wasn't furious - don't exaggerate.
 - I don't think it would be exaggerating to say that the composer's new work is a masterpiece.
 - He has exaggerated the whole event to make it sound rather more dramatic than it actually was.