Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth.
It is just an idiom and has no history.
About 400 BC in England , a
it is an old military term for good sight
spying or looking someone all the time
The earliest recorded use in Modern English is in Sir Walter Scott's Old Mortality, 1816: "Poor Richard was to me as an eldest son, the apple of my eye."
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To be exposed
Origin "up a storm"
The idiom "keep an eye out for" refers to watching for something or someone. An example of a sentence using the idiom would be: Jeff should be arriving soon, so keep an eye out for him.
No, the idiom is "turned a blind eye" as in "she turned a blind eye to his suffering." You don't change an idiom around or you lose the meaning.
No
No.