the members of one 's family are partly dispersed and partly dead

heartless - bù rén bù yì

Zhimu must be felled - zhí mù bì fá

retroaction - héng xíng nì shī

When we see injustice, we will help each other - lù jiàn bù píng，bá dāo xiāng zhù

Steep walls - fēng qiáng qiào zhǐ

deep sorrow - chuí xīn qì xuè

a fundamental task crucial for generations to come - bǎi nián dà jì

be brutal and inhuman - cǎn wú rén dào

Heart and blood - lòu xīn ǒu xuè

Cheating on the outside - biǎo lǐ wéi jiān