open [close, shut] a window
窓を開ける[閉める]
open [close] an account with the bank
その銀行に口座を開く[閉じる]
open and aboveboard
公明正大な
open country
広々とした土地
open countryside
開けたいなか
open [cease] fire on rioters
暴徒への射撃を始める[やめる]
Open [Closed] for business
((掲示))営業中[閉店]
open ground
空き地
open [stop] hostilities
戦争を始める[やめる]
open hostility
あらわな敵意