HSK10+
kū
toil
石 Meaning component
shí, dàn
stone
乞 Sound component
qǐ
beg
矻
toil, slave away; busy; see 矻矻[kūkū]; Taiwan pr. [kù]
assiduously
孜孜矻矻
diligently
Make Me a Hanzi
Unicode
CC-CEDICT
MTSU Chinese text computing