真金不怕火炼

真金不怕火煉
zhēnjīnbùpàhuǒliàn
True gold fears no fire. (idiom)

CEDICT

Someone of integrity, determination and/or ability can withstand all tests and trials; Something genuine or correct can withstand all tests

Wiktionary

比喻真实或坚强的人或物，经得起各种考验。如：「真金不怕火炼，我们这一次必定可以顺利击败强敌。」也作「真金不怕火」。

重編國語辭典

刚强正直的人或正确的事物经得住考验

維基詞典

Entry Composition

1 真金 zhēnjīn pure gold
2 不怕 bùpà
  1. fearless
  2. not worried (by setbacks or difficulties)
  3. even if
  4. even though
3 火 huǒ
  1. fire
  2. urgent
  3. ammunition
  4. fiery or flaming
  5. internal heat (Chinese medicine)
  6. hot (popular)
  7. classifier for military units (old)
  8. Kangxi radical 86
=4 炼 liàn
  1. to refine
  2. to smelt
=4 炼 liàn
  1. variant of 链 liàn, chain
  2. variant of 炼 liàn