殞滅〔殒灭〕 wan⁵ mit⁶ {yǔn miè}

to perish

殞身〔殒-〕 wan⁵ san¹ {yǔn shēn}

to lose one's life

殞命〔殒-〕 wan⁵ ming⁶ {yǔn mìng}

1. to die
2. to perish

殞身不恤〔殒---〕 wan⁵ san¹ bat¹ seot¹ {yǔn shēn bù xù}

to die without regrets (idiom); to sacrifice oneself without hesitation