Even outstanding musicians require constantpractice.
既使是好乐师也需经常练习。
《新英汉大辞典》
2
The fluency of a language largely depends on constantpractice.
语言的流利度在很大程度上依赖于不断的练习。
3
Constantpractice has such an effect on memory as to lead to skillful performance on the piano, to recitation of a poem, and even to reading and understanding these words.