孜
孜
不
倦
z
ī
z
ī
z
ī
z
ī
b
ú
b
ù
j
u
à
n
j
u
à
n
Definitions
1. lit. diligent and never slacking (idiom); continuous concentrated effort
2. assiduous (in study)
3. to concentrate
Components
孜孜
zī zī
–
diligent
不倦
bù juàn
–
tireless