shell, crust, chaff / husk, hull

frequently / often / again & again

Extended shinjitai form of 屢

body / physique, constitution, frame / health

soft

(literary) often, frequently, repeatedly, again and again, every so often

a mollusc (soft-bodied invertebrate of phylum Mollusca)

Solid, hard, firm.

Keeping a material's shape that does not crack or break apart; hard / Keeping one's appearance or facial expression; serious

to hold, to carry something / to have, to possess / to hold up, to maintain