crucks of life

[jamilakn]

what is meant by "crucks od life"

[BobK]

I think you're looking for the word "crux":

crux
   /krʌks/ Show Spelled Pronunciation [kruhks] Show IPA Pronunciation
–noun, plural crux⋅es, cru⋅ces  /ˈkrusiz/ Show Spelled Pronunciation [kroo-seez] Show IPA Pronunciation .
1. a vital, basic, decisive, or pivotal point: The crux of the trial was his whereabouts at the time of the murder.

See more here: crux definition | Dictionary.com

(It's the root of the word 'crucial'.)

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