run interference
US /rʌn ˌɪntərˈfɪrəns/
UK /rʌn ˌɪntərˈfɪrəns/

1.
coprire le spalle, gestire le interferenze, spianare la strada
to help someone by dealing with problems or obstacles for them, often by distracting or blocking others
:
•
I'll run interference for you while you prepare your presentation.
Ti coprirò le spalle mentre prepari la tua presentazione.
•
The manager asked his assistant to run interference with the difficult client.
Il manager ha chiesto al suo assistente di gestire le interferenze con il cliente difficile.