unflinching

• 坚定不移的信念

  unswerving belief

• 坚定不移的政策

  firm and steadfast policy

• 坚定不移的决心

  unflinching determination

• 坚定不移的原则立场

  firm position of principle

• 坚定不移地履行自己的义务

  carry out one's duties unflinchingly