lose your bearings
/ˌluːz jə ˈbeə.rɪŋz/idiom
to become lost or confused about where you are
потерять ориентацию, сбиться с пути
Bearings — направление, ориентиры. Get your bearings — сориентироваться.
“We lost our bearings in the fog.”
“It’s easy to lose your bearings in a new city.”
“After the reorganisation, many staff lost their bearings.”