to persist

• 坚持原则

  stick to principle

• 坚持真理

  hold to the truth

• 坚持己见

  stick to one's views

• 坚持到底

  persist through to the end

• 坚持好的

  stick to what is good

• 坚持错误

  persist in one's errors

• 坚持学习

  persist with one's studies

• 坚持党的方针

  stick to party policy

• 在艰苦斗争中坚持下去

  hold the line during an arduous struggle

• 有困难也要坚持下去。

  One must persist, even in the face of difficulty.