“朝反方向”常见的英文表达有 “in the opposite direction” 或 “towards the opposite direction” 。
in the opposite direction：侧重于描述朝着与某个既定方向完全相反的方位移动或指向。例如：The car suddenly turned in the opposite direction.（汽车突然朝反方向转弯了。）
towards the opposite direction：强调朝着相反方向这一动作趋势。例如：He started walking towards the opposite direction.（他开始朝着反方向走去。）