好鋼用在刀刃上hǎo gāng yòng zài dāo rèn shàngusethe best steel to make the knife’s edge—use material where it is needed most; use the best material (/people) at the key point
? 機(jī)器少就更要想法發(fā)揮機(jī)器的作用，一定要把鋼用在刀刃子上。If there aren’t enough machines to go round,we must make the best use of those we have. Use the steel on the blade of the knife. 好鋼用在刀刃上hao gang yong zai dao ren shanguse the best steel to make the knife’s edge—use material where it is needed most |