fourth wall

US /ˌfɔːrθ ˈwɔːl/
UK /ˌfɔːrθ ˈwɔːl/
"fourth wall" picture
1.

第四面墙

an imaginary wall that separates the audience from the events on stage or screen

:
The actor broke the fourth wall by directly addressing the audience.
演员通过直接与观众对话打破了第四面墙
Breaking the fourth wall can create a unique connection with the audience.
打破第四面墙可以与观众建立独特的联系。