There is warning function while opening and closing lock, opening and closing door;

开锁、关锁及开门、关门警示功能；

youdao

At closing time I'd lock the door, and the children and I would wait in the warm shop until their bus finally arrived.

到关门的时候，我会锁上门，孩子们和我会在温暖的店里等候，直到他们的车最终到来。

youdao

You can still use control validation to lock focus to a control, but you do not need to be concerned with the behavior with regard to closing the form.

您仍可以使用控件验证将焦点锁定到控件，但不必考虑关闭窗体的行为。

youdao

The supermarket is closing its site at Fenny Lock, near Milton Keynes, and transferring the work to a new centre in Daventry, Northamptonshire.

BBC: Tesco closing distribution centre near Milton Keynes

But after repeatedly opening and closing the latches, flight controllers managed to lock the wing and Discovery was cleared to dock.

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That makes it possible to lock in a preferred price without waiting for a closing price.

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