= walk
~ (on/in/over sth/sb) (especially BrE) to put your foot down while you are stepping or walking 踩；踏；践踏
Ouch! You trod on my toe!
唉哟！你踩着我的脚指头了！
Careful you don’t tread in that puddle.
小心，别踩着那水坑。
[T] ~ sth (+ adv./prep.) to crush or press sth with your feet 踩碎；践踏 SYN trample
Don’t tread ash into the carpet!
别把烟灰踩进地毯里！
The wine is still made by treading grapes in the traditional way.
这种葡萄酒仍然是以传统的方法踩碎葡萄酿制的。
[T, I] ~ (sth) (formal or literary) to walk somewhere 行走；步行；走
Few people had trod this path before.
以前没有多少人走过这条小路。
He was treading quietly and cautiously.
他蹑手蹑脚地走着。