1·We let the bucket down by a rope.
我们用绳子把吊桶放下去。
—— 《牛津词典》
2·The story has been passed down by word of mouth.
这个故事是口头流传下来的。
—— 《柯林斯英汉双解大词典》
3·I had it down by my feet between me and the man in the next seat.
我把它放下来在我脚边，在我和邻座的人之间。
4·They are officially classified as harmful and farmers try to keep their numbers down by shooting or poisoning them.
它们被正式地列为有害动物，农民们试图通过射杀或投毒来减少它们的数量。
5·She was knocked down by a bus.
她被一辆公共汽车撞倒在地。
—— 《牛津词典》
6·He was knocked down by a bus.
他被公共汽车撞倒了。
—— 《牛津词典》
7·Pedestrian accidents are down by 5%.
行人受伤事故下降了5%。
—— 《牛津词典》
8·All goods have been marked down by 15%.
所有商品都打八五折。
—— 《牛津词典》
9·He was cut down by an assassin's bullet.
他被刺客的子弹击中身亡。
—— 《牛津词典》
10·He died after being knocked down by a car.
他被一辆汽车撞倒后死了。
—— 《柯林斯英汉双解大词典》