3 Because you have the knowledge that the testing of your faith gives you the power of going on in hope;

4 But let this power have its full effect, so that you may be made complete, needing nothing.

3 因为知道你们的信心经过考验， 就产生忍耐。

4 但忍耐要坚持到底（"坚持到底"原文作"有完全的功效"）， 使你们可以完全， 毫无缺乏。