Meaning of the word "it is easy to find a stick to beat a dog" in English

What does "it is easy to find a stick to beat a dog" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

it is easy to find a stick to beat a dog

US /ɪt ɪz ˈizi tu faɪnd ə stɪk tu biːt ə dɔːɡ/
UK /ɪt ɪz ˈiːzi tu faɪnd ə stɪk tu biːt ə dɒɡ/
"it is easy to find a stick to beat a dog" picture

Idiom

it is very easy to find a reason to criticize or punish someone if you are determined to do so

Example:
The manager blamed her for the minor error; it is easy to find a stick to beat a dog when you want someone gone.
They used his past mistakes against him, proving that it is easy to find a stick to beat a dog.