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very fashionable

something good that happens on top of an already good situation

make a situation more complex or less clear

to manoeuvre for a certain position or advantage

to look or be identical

 a problem that everyone knows very well but no one talks about because it is taboo or embarrassing

to either go wrong or produce an unexpected and unwanted result

to look for something in the wrong place

to make more progress than your rivals

to not know anything at all about something