Student or Learner
I don't quite understand something:
( independent.co.uk/sport/football/news-and-comment/deaths-in-sao-paulo-arena-corinthians-stadium-collapse-add-to-worries-over-2014-world-cup-8968198.html )
"Brazil will, in one form or another, be ready for the World Cup. But when it comes to hosting the tournament, those famous Brazilian smiles may already be slipping."
What does "slip" mean in this context? I cannot find a good definition in dictionaries.
What definitions have you found for "to slip"?
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.