shred

谣言没有任何事实依据。

The rumor doesn't have a ___shred of truth to it.

她没有丝毫后悔的意思。

She didn't show a ___shred of regret.

我用搅拌机把蔬菜切碎了做沙拉。

I used the blender to ___shred the vegetables for the salad.