Text Rebus Extreme! 2!

The second rebus question in the series.

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here
____
bored

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bets
_

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all4114

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knightleg

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A
\
C

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<3 <-

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Requirements:

• You must answer each one


• You must explain how each one works


• Both of the above must be correct

Hint #1: They are all cliches.