刀不磨要生锈水不流要发臭
The knife does not grind to rust and the water does not run to stink
以上为机器翻译结果，长、整句建议使用 人工翻译 。
刀不磨要生锈，水不流要发臭。
Do not grind knives to rust, water does not flow to stink.
youdao
应用推荐
模块上移
模块下移
不移动