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cum grano salis: Idiom Meaning and Origin

cross the Forth: Idiom Meaning and Origin

cross-purpose: Idiom Meaning and Origin

crop up: Idiom Meaning and Origin

come hell or high water: Idiom Meaning and Origin

cold comfort: Idiom Meaning and Origin

cock in the henhouse: Idiom Meaning and Origin

close to home: Idiom Meaning and Origin

close enough for government work: Idiom Meaning and Origin

clean hands: Idiom Meaning and Origin

call it a day: Idiom Meaning and Origin

by the same token: Idiom Meaning and Origin