硬
骨
頭
硬
骨
頭
Definitions3 charactersresolute individual/a crack/tough mission/difficult
Usage•••frequent
Pronunciations
硬
骨
頭
As word
1resolute individual/a hard nut to crack/tough mission/difficult task
2resolute individual/a hard nut to crack/tough mission/difficult task
3resolute individual/a hard nut to crack/tough mission/difficult task