to say something without thinking carefully or checking
сказать что-то, не подумав или не проверив (skazat shto to ne podumav ili ne proveriv)
"Off the top of my head, I think there are five options."
"Навскидку, думаю, есть пять вариантов." (navskidku dumayu yest pyat variantov)
To assist one another, especially in difficult situations.
to rest and regain energy
fixed and unchangeable
to talk directly about the main topic
learning by experimenting and correcting mistakes
better or more amazing than imagined