惰性 | duò xìng | inert (chemistry) / apathy / inertia / laziness | |
思想顽钝 | sī xiǎng wán dùn | blunt thinking / apathy | |
哀莫大于心死 | āi mò dà yú xīn sǐ | nothing sadder than a withered heart (idiom attributed to Confucius by Zhuangzi 莊子|庄子[Zhuang1 zi3]) / no greater sorrow than a heart that never rejoices / the worst sorrow is not as bad as an uncaring heart / nothing is more wretched than apathy |