done down

• v. 做自上而下的动作

done down的用法和样例：

例句

1. It have become fashionable to do down traditional moral value.
   诋毁传统道德的价值已成为一种时髦事。
2. The maid did down the walls with a duster.
   女佣用掸帚由上而下地刷除四壁上的尘垢。