expression, i-adjective
unfamiliar with the area; don't know one's way around
Describes being new to a place and not knowing the layout, directions, or local customs.
引っ越したばかりで、まだ右も左もわからない。
I just moved here and still don't know my way around.
expression, i-adjective
clueless; don't know the first thing about something
Figurative extension: being completely ignorant or inexperienced in a field or situation. The literal meaning 'not knowing right from left' underlies this sense.
新入社員は右も左もわからない状態だ。
The new employee is completely clueless.