任重道远
HSK 7-9a heavy load and a long road; fig. to bear heavy responsibilities through a long struggle (cf Confucian Analects, 8.7)
Examples
责任任重道远
Responsibility is heavy and the path is long.
工作任重道远
Work is heavy and the path is long.
任重道远,要坚持
Heavy responsibility, we must persevere.