You're not fluent in English if you don't know this
This is what you should be using if you want to sound like an advanced speaker of English and not a robot. You'll learn common English expressions and lot more about litotes.
LEARN ENGLISH WITH ME: / letthemtalktv
Sign up for the LetThemTalkTV newsletter here. It's full of interesting insights and stories about the English language and it's free!
http://eepurl.com/izRKww
#litotes
