to blame yourself too much for something
слишком винить себя за что-то (slishkom vinit sebya za chto-to)
"Don’t beat yourself up over one mistake."
"Не вините себя слишком сильно из-за одной ошибки." (Ne vinite sebya slishkom silno iz-za odnoy oshibki)
to cause complete failure in a system or process
to slightly change the truth to make something sound better
to behave confidently and proudly
To make an important new discovery or innovation; to do some...
to say exactly what you think
to submit something to someone in authority