Traduction de «celebrated his 88th » (Anglais → Français) :

I am talking about Mart Kenney, my grandfather, who this week celebrated his 88th birthday and his 70th anniversary as a professional musician.
Je veux parler de Mart Kenney, mon grand-père, qui, cette semaine, célébrera son 88e anniversaire de naissance et son 70e anniversaire de vie professionnelle.