sweat it out—(sl.) endure smth. unpleasant till it ends; await smth. anxiously:
- Mr. Khrushchev is just sweating it out for an announcement of a manned flight in orbit.
Cf.: don’t sweat it—(U.S. sl.) don’t worry about it:
- Joe Trippi suggests the best solution: don’t sweat it. Just do what needs to be done now in order to win.
sweat one’s guts out—(sl.) work very hard indeed:
- Here I’ve been sweating my guts out all afternoon, and hardly anything to show for it!