A) A phrase that seems to simply state the obvious but actually implies helplessness. B) A phrase that seems to simply state the obvious but actually means it will be what it is, as in it ain't gonna change, so deal with it or don't.. See also tough shit, oh well, cry me a river and tfb.
Find and run to your nearest escape route, whether it's behind a fence, a tree (one she cannot knock down), a large bale, a tractor or truck, anything that is large enough that will protect you and act as a barrier between you and that cow.
Moose calves, because of their size and lack of experience, are particularly susceptible to predation. Thus cow moose have evolved some very strong defensive behaviors. If one perceives a threat to its calf, it may attack. A cow moose can defend itself against a full-grown grizzly. If you are out walking and see a calf but not a cow, be very careful; you may have gotten between them and will want to remove yourself without drawing their attention.