To prepare to work hard.
Приготовиться работать усердно.
"Let’s roll up our sleeves and get started."
"Давайте закатим рукава и начнем."
to reach maturity; to become fully developed
to retrieve something that has been stored or buried
being very careful not to upset someone
to stay cheerful even when facing difficulties
in a hostile or dangerous situation
secretly or without public knowledge