to think you are very good or important
думать, что ты очень хорош или важен (dumat', chto ty ochen' khorosh ili vazhen)
"He has a high opinion of himself after getting the award."
"Он высоко о себе мнения после получения награды." (On **vysoko o sebe mneniya** posle polucheniya nagrady.)
to establish dialogue or discussion
to use one's authority or influence in an aggressive way
to retreat or withdraw from a situation
by chance; fortunately or unfortunately
To be less advanced or slow compared to competitors.
A sudden creative idea