undergo a change

transition

重厚: profound, deep, stately, solid

重厚: profundity, depth, stateliness, solidity

好調: favorability / 校長: principal / 紅潮: blush / 候鳥: migratory bird / 腔腸: coelenteron / 公庁: public offices / 硬調: hard tone / 高潮: high tide / 広聴, 公聴: public information / 高調: high tone; high spirits

好調: favorable

弘長: Kōchō era

紅潮: blush / 高潮: be at high tide / 高調: have a high tone; be in high spirits

at one's feet, underfoot, the ground / the bottom of the foot / a foothold, one's footing / gait, pace, step / someone's surroundings, the nearby / recent events

(archaic) at one's feet, underfoot / (archaic) one's family and status, where one stands in the world