have a mountain to climb

climb down

An abandonment, withdrawal from, or softening of a previously expressed opinion, policy, argument, etc.

climb the walls

To behave in a distressed or frantic manner; to exhibit great agitation.

go climb a tree

Go away; a rude dismissal.

make a mountain out of a molehill

To treat a problem as greater than it is; to blow something out of proportion; to exaggerate the importance of something trivial.

people mountain people sea

crowded or jam-packed with people