がらがら蛇, ガラガラ蛇: a rattlesnake

rising and falling; ups and downs

to fluctuate up and down

rise, ascend, go up / go in, enter (a house) / get out (of a pool, etc.) / visit, call (on someone) / be promoted, go up (in social standing) / let up, come to an end / flare up (as in fire)

rise / income / ending / (in sushi shops) tea

上がり: rise; tea (esp. in sushi shops) / 和了: (mahjong) winning

医学: medicine, medical science, the study of medicine

ガイド: guide

磨く: to polish or brush; to improve

曲がる, 曲る: to bend, to turn, to curve