stiffen / for a person to freeze, for one's expression to freeze

ferromagnetism

strong shaking

patient; persevering; of great fortitude

accent; stress

(Classical Japanese, archaic) to compel, compulse, force

great luck/fortune

(video games, informal) strong character

so, like that, in such a way, such

yes, yeah; it's like that; that's how it is; I see. (interjection to show that the speaker is paying attention)