Please open the door.
请打开门。
The store opens at 9 a.m.
这家商店早上9点开门。
She has an open mind.
她思想开放。
Is the window open?
窗户是开着的吗？
He opened a new bank account.
他开了一个新的银行账户。
The park is open to the public.
公园对公众开放。
Can you open this jar for me?
你能帮我打开这个罐子吗？
They are looking for open positions.
他们正在寻找空缺职位。