The tyres have good treads.

这些轮胎的胎面很好。

Stair treads should be slip resistant.

楼梯的台阶应当防滑。

My foot talks with the stones it treads.

我的足同走过的顽石倾谈。

Grief often treads upon the heels of pleasure.

悲哀常常紧随快乐。乐极生悲。

During Christmas everybody walks [treads] on air.

圣诞节期间每个人都喜气洋洋。