English Idioms About “Animals”
Idiom: Every dog has its day
Meaning: Everyone has a time of success and satisfaction.
Example: You may become successful in your business someday. Every dog has his day.

English Idioms About “Life”
Idiom: For the life of me
Meaning: This idiom is used colloquially to mean “if one’s (own) life depended on it.” It
Example: I couldn’t for the life of me remember where I met her.

English Idioms About “General”
Idiom: Call a spade a spade
Meaning: To be truthful about something, even if it is rude or unpleasant.
Example: Lacy never fears to tell the truth. She calls a spade a spade.

English Idioms About “Numbers”
Idiom: Take the fifth
Meaning: To decline to answer, especially on grounds that it might be incriminating. The origin of the phrase dates back to the Fifth Amendment in the Bill of Rights, which says that a person can’t “be compelled in any criminal case to be a witness against himself.”
Example: If you ask me who stole the wallet, I will simply take the fifth.