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Ça vaut la peine d'essayer.
It's worth trying.
Trouble taken; sorrow.
Ça vaut la peine d'essayer.
It's worth trying.
Feminine noun: la peine. Valoir la peine = be worth it.
A legal punishment.
Il a purgé sa peine.
He served his sentence.
Purger sa peine = serve one's sentence.
From Latin poena (punishment, pain).
Peine (sorrow/effort) vs peigne (comb): sound-alikes.