学习一项新技能很难，但你必须坚持下去。

Learning a new skill is difficult, but you've just got to ___keep ___at it.

尽管有挑战，保持耐心并坚持完成任务至关重要。

Despite the challenges, it's crucial to remain patient and ___keep ___at the task.

要掌握高等数学，学生必须持续不断地练习。

To master advanced mathematics, students must ___keep ___at their practice consistently.