in name only
US /ɪn neɪm ˈoʊnli/
UK /ɪn neɪm ˈoʊnli/

1.
apenas no nome, nominalmente
existing in title or theory but not in reality
:
•
He is the manager in name only; his assistant does all the real work.
Ele é o gerente apenas no nome; seu assistente faz todo o trabalho real.
•
Their marriage was in name only; they lived separate lives.
O casamento deles era apenas no nome; eles viviam vidas separadas.