revolving door

US /rɪˈvɑːl.vɪŋ dɔːr/
UK /rɪˈvɑːl.vɪŋ dɔːr/
"revolving door" picture
1.

Drehtür

a type of door that consists of three or four panels that hang from a central shaft and rotate around a vertical axis within a cylindrical enclosure, allowing people to enter and exit a building while minimizing drafts and heat loss

:
The hotel entrance had a large glass revolving door.
Der Hoteleingang hatte eine große gläserne Drehtür.
Be careful when using the revolving door, it can be tricky.
Seien Sie vorsichtig, wenn Sie die Drehtür benutzen, sie kann knifflig sein.
2.

Drehtür (fig.), ständiger Wechsel

a situation in which people frequently leave and return to an organization or position, often implying a lack of stability or a cycle of movement

:
The company has a revolving door of employees, making it hard to build a stable team.
Das Unternehmen hat eine Drehtür von Mitarbeitern, was es schwierig macht, ein stabiles Team aufzubauen.
The political system often seems like a revolving door for lobbyists and former officials.
Das politische System wirkt oft wie eine Drehtür für Lobbyisten und ehemalige Beamte.