вход в

entrance to

→ вход
phrase Uncommon #21,415
entrance to Used before a noun to specify what you enter; the noun after в is usually in the accusative case.
RU: Где вход в библиотеку?
EN: Where is the entrance to the library?

Мне было сложно найти вход в то здание.

I had a hard time finding the entrance to that building.