Hi, Is this comment suggesting that there will be teething problems or there will not be teething problems? ” I have a disagreement with a colleague! Consider a simpler example.
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I'm sure this argument is long over, 8 years after your post, but in case it helps someone else, here is what I found:
be under no illusion/illusions (=not have a false idea):
We are under no illusion that this http://www.macmillandictionary.com/us/dictionary/american/m
https://en.oxforddictionaries.com/definition/be_under_no illusion(or_illusions)
Funny how several words causes so much confusion. Now with illusion, one commented that an illusion is nothing, well isn't an illusion just your 'point of view' or 'opinion' that may or may not be correct?
So under no illusion, means your 'point of view' or 'how you see it' has not been altered by false information, information outside of what you have decided is correct and on which