不
知
好
歹
b
ù
b
ù
z
h
ī
z
h
ī
h
á
o
h
ǎ
o
d
ǎ
i
d
ǎ
i
Definitions
1. unable to differentiate good from bad (idiom)
2. not to know what's good for one
3. unable to recognize others' good intentions
Components
不知
bù zhī
–
not to know
好歹
hǎo dǎi
–
good and bad