Act as guinea pig
Meaning: To allow some kind of test to be performed on someone.
Example: I was not happy to act as guinea pig for the new training material.
As crooked as a dog’s hind leg
Example: The politician is as crooked as a dog’s hind leg and nobody trusts him.
Bark up the wrong tree
Meaning: To choose the wrong course of action, to ask the wrong person (a hunting dog may make a mistake when chasing an animal and bark up the wrong tree)
Example: My boss is barking up the wrong tree. I did not cause the computer problem.
Beat a dead horse
Meaning: To continue fighting a battle that has been won, to continue to argue a point that has been settled.
Example: I was beating a dead horse when I was arguing with my boss.
The best-laid plan of mice and men
Meaning: The best thought-out plans that
Example: The best-laid plan of mice and men could not prevent our travel problems.
The tail wagging the dog
Meaning: A situation where a small part controls the whole thing.
Example: The control of receptionist in this office is like the tail is wagging the dog.
A cat in gloves catches no mice
Meaning: If you are too careful and polite you may not get what you want.
Example: A cat in gloves catches no mice and I advised my friend that he should be more aggressive at work or he will not be successful.
Let sleeping dogs lie
Meaning: Do not make trouble if you do not have to.
Example: You should let sleeping dogs lie and not ask our boss about the dispute.
A paper tiger
Meaning: A person or organization that is supposed to have a lot of power that is actually very weak.
Example: The manager was a paper tiger and did not have any power in the company.
Let the cat out of the bag
Meaning: To tell something that is supposed to be a secret
Example: A teacher let the cat of the bag when she began to talking about the plans to close the school.
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