好钢用在刀刃上

刀刃： 刀口，刀的锋利的一边。比喻重要的人力、物力用在关键的地方，发挥更大的作用。

好钢用在刀刃上

比喻应把人力、物力投在最需要的地方。

好钢用在刀刃上hǎo gāng yòng zài dāorèn shɑng

见“有钢使在刀刃上”。

好钢用在刀刃上hǎo gāng yòng zài dāo rèn shàng

usethe best steel to make the knife’s edge—use material where it is needed most; use the best material (/people) at the key point
❍ 机器少就更要想法发挥机器的作用，一定要把钢用在刀刃子上。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.

好钢用在刀刃上hao gang yong zai dao ren shang

use the best steel to make the knife’s edge—use material where it is needed most