堅 - strict, hard, solid

sound; sure; safe; secure; trustworthy; reliable; solid

nucleus; backbone; mainstay; key figure

solid; strong; firm

steady; sound; stable; safe (e.g. business); reliable; trustworthy; solid

firm (market); bullish

adhering to (a view, policy, etc.); sticking to; holding fast to; steadfastly maintaining

strong determination; strong-willed; having strong will power; firmness of purpose

tight-lipped; able to keep a secret

medium-sized enterprise (business, firm)

firm and unyielding; rigid

America; American

prudish; strait-laced; boring; square