千錘百鍊 [－锤－炼]

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Definitions (粵典–words.hk)
  1. 名詞
    多番​試驗​、​修飾​或者​磨​鍊
    the process of being tried and tested over and over again

千錘百鍊 [－锤－炼]

Jyutping cin1 ceoi4 baak3 lin6
Pinyin qiān chuí bǎi liàn

Definitions (CC-CEDICT)
  1. after hard work and numerous revisions (idiom)
  2. the vicissitudes of life