to be doomed [colloquial]

stand firm and strong with own stance

stiff

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

to be able to survive through the roughs and the toughs; someone who is hard to kill [colloquial]

hard and solid

(adverb) forcibly

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

to make blames unreasonably; to blame the tools for badworkmanship

tough

hardline stance

someone who has powerful / influential figures to back them up [colloquial]

(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

to totally wipe out / eliminate [colloquial]

to fully support; to protect [colloquial]

be stern

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.

to play hardball; to play it tough [colloquial]

applying without thought; copying blindly (idiom)

stiff

to make excuses and deny one's responsibility; a bad workman blames his tools [colloquial]

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