bù​zhī​hǎo​dǎi

to not know what is best for oneself

Senses

不知好歹 bù​zhī​hǎo​dǎi to not know what is best for oneself

unable to differentiate good from bad; failing to recognize or appreciate someone's good intentions

References

synonym 不知好歹/不知好歹 不识好歹/不識好歹
synonym 不知利害/不知利害 不知好歹/不知好歹