Meaning of the word "lay a finger on" in English

What does "lay a finger on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

lay a finger on

US /leɪ ə ˈfɪŋ.ɡər ɑːn/
UK /leɪ ə ˈfɪŋ.ɡər ɒn/
"lay a finger on" picture

Idiom

to touch someone or something, especially in a harmful way

Example:
If you lay a finger on my sister, you'll regret it.
He warned them not to lay a finger on his property.