stand firm and strong with own stance

it describes someone who accept things the hard way instead of the soft way

someone who can be persuaded with reasoning but cannot be coerced

stubborn

(adverb) forcibly

to make blames unreasonably; to blame the tools for badworkmanship

lit. blame the floor being too hard if one fails to poo, meaning one always can find excuse to dodge responsibilities

(slang) to describe someone (or an organization) who has tremendous power or authority (literally "muscular elbow")

noun; stiffness of the hand (not flexible) / capable / tolerant

(slang) to give a favor; to cooperate; to help; to work closely together

doom for death or failure (Cantonese)

(noun) nonconformist; diehard; someone is intransigent

(proverb) saying someone is too egotistical or arrogant, and don't admit to make mistakes.

applying without thought; copying blindly (idiom)

forcefully; without consent (spoken)

infrastructure

(adverb) always; stubbornly; obstinately; invariably; such is (the case); deliberately; to describe a situation where there is no alternative but to follow a set defined way to do something

(adjective) very hard

healthy and sturdy

Great proficiency

(slang) if something is "硬打硬", both parties will get hurt or damage, and both do not have good result

to fight recklessly regardless of the chances and with no regard for the consequences

(verb) to vie for; to hardly argue or debate

shy and become stiff (slang)

shy and become stiff (slang)

(noun) a solid panel; a wood panel

(proverb) someone's skills and abilities are real; someone is determined and firmed by using tough measures

tough; hard

Cardboard

rigid plastic; euphemism for 'dumbass'