0 a rare condition that is a combination of dystonia (= jerky movements of the arms and legs) and parkinsonism (= rigid muscle movement and shaking) -- (罕见病)肌张力障碍—帕金森综合征
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。