dans sa jeunesse
He was a hard worker in his youth.
Il était un travailleur acharné dans sa jeunesse.
He was an early riser in his youth.
Dans sa jeunesse, il se levait tôt.
He had been through a lot of difficulties in his youth.
Il avait traversé de nombreuses difficultés dans sa jeunesse.
Tom was a clever rascal in his youth.
Tom était un petit coquin malin dans sa jeunesse.
Tom was a rascal in his youth.
Tom était un vrai garnement dans sa jeunesse.
He went through many hardships in his youth.
Il a traversé de nombreuses épreuves dans sa jeunesse.