mountain to climb

mountain to climb

A very difficult task or challenge. You certainly have a mountain to climb if you intend to get this project done by Thursday.
See also: climb, mountain

a mountain to climb

mainly BRITISH
If someone has a mountain to climb, they have to do a task which will be very difficult and will involve a lot of hard work. The negotiators have a mountain to climb if they want to bring lasting peace to this region. He still has a mountain to climb in persuading the public that war is justified.
See also: climb, mountain