堅定性

firmness / steadfastness

strong / solid / firm / unyielding / resolute

firm / steady / staunch / resolute

to set / to fix / to determine / to decide / to order

to determine the nature (usually of error or crime) / to determine chemical composition / qualitative / fixed

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]