0 making you feel worried and nervous -- 紧张,焦虑,担心
Police work is physically demanding and stressful. 警察的工作很辛苦,压力很大。
She's very good at coping in stressful situations. 她很善于应对紧张的局面。
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。