very; extremely / exceedingly; tremendously

alligator, crocodile / a shark or other large dangerous fish

ワニ: crocodilian (crocodile, alligator, gavial) / (obsolete) a shark or other large and dangerous fish

world / a metaphorical world (how one lives one's life) / society, the times / a realm, a circle, a sphere / (Buddhism) the four inner realms of 須弥山 (Shumisen) / (Buddhism) realm governed by a buddha

dangerous body of water / (figuratively) (of politics or economic) unsuitable status

maximization

maximize

maximum

stairs used in emergencies

state of emergency (unusually difficult or dangerous situation)