To prepare to work hard.
Bereit sein, hart zu arbeiten.
"Let’s roll up our sleeves and get started."
"Lass uns uns die Ärmel hochkrempeln und anfangen."
to arrange people or things in order or to schedule somethin...
to remain calm and not show emotion
to increase speed
to refuse to change one's position or opinion
to be free from worry or fear
to not show your emotions in difficult situations