Even outstanding musicians require constant practice.

既使是好乐师也需经常练习。

《新英汉大辞典》

The fluency of a language largely depends on constant practice.

语言的流利度在很大程度上依赖于不断的练习。

youdao

Constant practice 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.

不断的练习对记忆有很大的影响，有助于熟练地弹奏钢琴，背诵诗歌，甚至阅读和理解这些单词。

youdao

and just constant practice makes perfect, right?

还有持续练习才能熟能生巧，对吗？

演技也是练出来的 - SpeakingMax英语口语达人

Before, students had to make one of two choices: to practice constant vigilance and maintenance of their public profiles online or risk exposing their sharing, web-surfing habits and communication with friends to their professors, employers and parents.

FORBES: Students, SnapChat, Wickr: Staying Private and Productive Online