to make a serious mistake or spoil something
сделать серьезную ошибку или испортить что-то (sdelat' ser'yeznuju oshibku ili isportit' chto-to)
"I really screwed up the presentation."
"Я действительно испортил презентацию." (Ya deystvitel'no **isportil** prezentatsiyu)
to make a small mistake
the less harmful of two bad options
Using one’s position or power for personal financial gain.
to take pride in who you are or what you do
Knowing a small amount about something can lead to mistakes.
learning through difficult experiences in life
