This intuition is not arbitrary or irrational, but is based on years of painstaking practice and hands-on experience that build skills.

这种直觉不是武断的或非理性的，而是建立在多年艰苦的实践和建立技能的实际经验的基础上的。

youdao

Learning to speak a foreign language requires painstaking practice, and if that doesn't work, it might be time to for minor, yet painful oral surgery.

学外语需要勤加练习，但是努力练习仍然收效甚微的话，那么你可能需要做一个小小的口部手术了，虽然会有些疼。

youdao

Her practice would be slow, painstaking and error-focused.

她的训练将会是缓慢的，艰辛的，将焦点集中在修正错误上。

youdao

There's no doubt the musicians could play each piece note-perfect without a conductor: each performance is the culmination of years of practice, hours of painstaking work to refine their art.

CNN: Valery Gergiev: Russian maestro