第一: first, number one, primary...
横向: horizontal, orthogonal, perpendicular, lateral, crosswise...
别具匠心: to show ingenuity, (of a design) clever, brilliantly conceived...
四肢: the four limbs of the body...
山顶: hilltop...
彼此: each other, one another...
周折: twists and turns, vicissitude, complication, difficulty, effort...
一阵: a burst, a fit, a peal, a spell (period of time)...
瘾: addiction, craving...
逃跑: to flee from sth, to run away, to escape...