0 a job, business, or piece of work -- 工作;任務;企業;事業
The construction of the tunnel is a large and complex undertaking. 該隧道的修建是項複雜的大工程。
[ + that ] formal The manager gave a written undertaking that no one would lose their job. 經理寫下了書面保證,不會讓任何人丟掉工作。
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。