是從甘蔗的末尾啃起
[plod away at a big job bit by bit as ants gnawing at a bone;ants gnawing at a bone--a concentration of small machines on a big job] 多用於工業方面,指在缺乏大型設備的情況下,利用小型工具機對大部件加工,如同小螞蟻啃大骨頭。有時也比喻一點一點地苦幹以完成一項很大的任務