0 If a worker such as a doctor is on call, he or she is available to work or make official visits at any time when needed. -- (醫療從業者的)聽候召喚,待命
1 used to describe workers who are available to make official visits at any time when they are needed -- (工作人員)隨叫隨到的,待命的
an on-call specialist/firefighter/judge 一名待命的專家/消防員/法官
My new job is 20 hours per week, with no on-call work. 我的新工作每週工作20小時,沒有待命任務。
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。