to memorize something perfectly
etwas perfekt auswendig lernen (etvas perfekt ausvendig lernen)
"She knows all the poems by heart."
"Sie kennt alle Gedichte auswendig." (zi kent ale gedikhte ausvendig lernen)
Keep trying no matter how many times you fail.
A sudden creative idea
to state rules firmly and clearly
to try very hard to help or please someone
Knowing a small amount about something can lead to mistakes.
to go to bed