with difficulty
In a way that requires significant effort.
Cold butter is spreadable, but only with difficulty if the bread is soft.
The mind unlearns with difficulty what it has long learned. Seneca
Great music is that which penetrates the ear with facility and leaves the memory with difficulty. Magical music never leaves the memory. Thomas Beecham
A friend is long sought, hardly found, and with difficulty kept. Jerome
He who thinks with difficulty believes with alacrity. Ambrose Bierce
That is with difficulty preserved which all hanker after. Latin Proverb
An opportunity is found with difficulty and easily lost. Latin Proverb