(informal) to have the jitters, to have the willies, to have the heebie-jeebies (to be scared) / (informal) to be pissed off, to be cheesed off

(figuratively) to initiate action, to take the initiative, to make the first move

(figuratively) with one's eyes closed, hands down, one-handed, standing on one's head, with one hand tied behind one's back (very easily) / (figuratively) without hesitation, in total confidence, sight unseen

to set foot (somewhere)

(informal) to be tactful, to respect conventions, to do something with manners, to do something nicely

(informal) to set foot (somewhere)

(informal) to set foot (somewhere)

(figuratively) emptyhandedly

to break ranks

(of a woman) to lose the amniotic fluids just prior to delivery, to experience water breaking