to close off
[動詞]
to restrict or block access to a particular area or passage

封鎖する (ふうさする), 閉鎖する (へいさする)
to log off
[動詞]
to stop a connection to an online account or computer system by doing specific actions

ログオフする, サインアウトする
to stand off
[動詞]
to prevent a potential attacker from approaching by taking on a defensive posture

立ち向かう, 防御する
Ex: The hikers were instructed on how stand off any aggressive wildlife encounters by making themselves appear larger .
to turn off
[動詞]
to cause a machine, device, or system to stop working or flowing, usually by pressing a button or turning a switch

消す (けす), 電源を切る (でんげんをきる)

LanGeekアプリをダウンロード