From an early age I thought of myself as dedicated to great and arduous tasks.
自少年之时,我就以为自己在致力于伟大而艰巨的任务.
He is preparing for this arduous challenge.
The lawful punishment and reform of criminals remains an arduous task in China.
依照法律惩罚和改造罪犯,在中国仍然是一项艰巨的工作.
I regard Beethoven as a genius who exerted arduous efforts.