We heard the door open, a few hurried words, and then quick steps upon the linoleum. Our own door flew open, and a lady, clad in some dark-coloured stuff, with a black veil, entered the room.
"You will excuse my calling so late," she began, and then, suddenly losing her self-control, she ran forward, threw her arms about my wifes neck, and sobbed upon her shoulder. "Oh, Im in such trouble!" she cried; "I do so want a little help."
Fly open ：暗示（门窗等）乍然掀开。
David give the door a kick and it fly open.
I give a smart blow on the lid, and it fly open.
I hear that little beggar of mine let fly at you with his catapult yesterday.
The tough taskmaster flew at him for not working hard.
As time fly by, the boy became a young man.
Days just fly by because there is simply a lot that needs to be done.
Dont fly into a rage at the drop of a hat. Remember: keep cucumber cool!
别动不动就发火， 记住： 要坚持浸着.
Why fly into such a rage?