忠心耿耿，仗义行事。
明·许仲琳《封神演义》第二回丞相金銮直谏君，忠肝义胆孰能群。”
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Learn the next connected idiom: 忠肝义胆 (zhōng gān yì dǎn) → 胆战心惊 (dǎn zhàn xīn jīng)
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