0 the job of performing in films or plays -- 表演,演戏
He wants to get into acting. 他想从事演艺工作。
1 someone who does a job for a short time while the person who usually does that job is not there -- 代理主席(经理等)
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。