| Idiom | Meaning | Example | 
| a lucky streak | 
winning several times in succession
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Whenever I wear this ring, I have a lucky streak. I win every game!
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| a major | 
a poor credit rating from a major credit card company
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The bank won't approve your loan if you have a major.
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| a man of few words | 
a man who says little; who uses few words
 | 
Chung is a man of few words, but when he speaks, people listen.
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| a man of the cloth | 
a minister, a priest, a clergyman
 | 
Being a man of the cloth, he has studied the Bible.
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| a man's home is his castle | 
a man can relax and please himself in his own home
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I let Ron think he's king when he comes home from work. He believes a man's home is his castle.
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| a marked man | 
a person known for political beliefs or criminal acts
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When they discovered I had been a Nazi, I was a marked man.
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| a matter of life and death | 
(See it's a matter of life and death)
 | 
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| a mental block | 
a problem with learning a subject or concept
 | 
I have a mental block when I try to do algebra. I can't think.
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| a month of Sundays | 
a very long time, many days
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It will take a month of Sundays to phone all the students in our school.
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| a must | 
a necessary experience, a required item
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If you like words, you need a dictionary. It's a must!   
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