Standing by

The police took accounts of the accident from two witnesses who happened to be standing by at the time of the crash. 

Полиция опросила двух свидетелей, на глазах у которых произошла катастрофа.

A crowd of people were standing by, waiting for an announcement. 

Неподалёку, в ожидании какого-то объявления, стояла толпа народу.

Rescue crews were standing by in case of a breakdown.  

He looked surprised to see Cassie standing by the front door.  

Для того чтобы добавить вариант перевода, кликните по иконке ☰, напротив примера.