it is easy to find a stick to beat a dog
It is easy to attack (physically or verbally) a vulnerable person or thing. Primarily heard in UK. I know it is easy to find a stick to beat a dog, but you need to stop criticizing your son—he's not being malicious, he's just a child! I know it's easy to find a stick to beat a dog, but if you're so eager to go after someone, how about someone your own size? Yeah, I'm volunteering. Hey, leave the interns alone. Yeah, it is easy to find a stick to beat a dog, but they aren't the reason the boss scolded you in that meeting.
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