西にしも東ひがしもわからない

expression, i-adjective

not knowing one's way around; unfamiliar with an area

Literally 'not knowing west from east'; used when someone is lost or new to a place and cannot navigate.

See also: 右も左もわからない

• 引ひっ越こしたばかりで、まだ西にしも東ひがしもわからない。

  I just moved here, so I still don't know my way around.

expression, i-adjective

not knowing what to do; clueless

Extended figurative use: being so confused or inexperienced that one doesn't know how to proceed in a situation.

See also: 右も左もわからない

• 新しん入にゅう社しゃ員いんはまだ仕し事ごとの進すすめ方かたが西にしも東ひがしもわからない様よう子すだ。

  The new employee seems clueless about how to proceed with the work.