hard / tight / strong; firm / strict / inflexible

(archaic) difficult

(idiomatic) support, take someone's side, stand by someone

catapult

katana (Japanese traditional sword) / blade

one part or member of a pair, a group, or a set of something or some people / one of the bodies resulted from the split of another one into many parts / one part or fragment of something broken

imbalance, prejudiced.

a swordsmith

one side, one party / one (of a pair)

(idiomatic) to hate the very sight of; to hold a grudge against; to treat like an enemy; to bear constant enmity; to be gunning for; to have it in for