knock at

knock at something

to knock [on something] at a particular location. I could hear someone knocking at the door next to mine. Who is knocking at the door?
See also: knock
References in classic literature ?
In fact, they were all enjoying themselves mightily when they heard a knock at the outer door, which Sadie rose to open.
Passing down the street, the Caliph had been attracted by the music of instruments and the sound of laughter, and had ordered his vizir to go and knock at the door of the house, as he wished to enter.
THE knock at the door was repeated--a louder knock than before.
I warned ye baith, it was a clean impossibility to knock at the door this time.
If I get but a knock at you, 'twill be as much as you'll need.
Some knock at but one door and bring a hansom, but others go from street to street in private 'buses, and even wear false noses to conceal the sufferings you inflict upon them as you grew more and more like your sweet cruel mamma.
Then, at the door, as though the way of his coming had been so much less important than the fact that he had come, she asked: "How did you come to knock at my door?
About six o'clock in the afternoon Mrs Nickleby was thrown into a great flutter of spirits by the long-expected knock at the door, nor was this flutter at all composed by the audible tread of two pair of boots in the passage, which Mrs Nickleby augured, in a breathless state, must be 'the two Mr Cheerybles;' as it certainly was, though not the two Mrs Nickleby expected, because it was Mr Charles Cheeryble, and his nephew, Mr Frank, who made a thousand apologies for his intrusion, which Mrs Nickleby (having tea-spoons enough and to spare for all) most graciously received.
Venus was punctual, and Wegg undertook to knock at the door, and conduct the conference.
The next day, just as the princess had sat down to dinner, she heard a strange noise--tap, tap--plash, plash--as if something was coming up the marble staircase: and soon afterwards there was a gentle knock at the door, and a little voice cried out and said:
They called out and knocked loudly at the gate of the inn, which was still shut; on seeing which, Don Quixote, even there where he was, did not forget to act as sentinel, and said in a loud and imperious tone, "Knights, or squires, or whatever ye be, ye have no right to knock at the gates of this castle; for it is plain enough that they who are within are either asleep, or else are not in the habit of throwing open the fortress until the sun's rays are spread over the whole surface of the earth.
What I do care for now, is to make my way into the Jesuits' convent; so to horse and let us knock at their door.
He had only halted for a moment to entertain himself thus; he immediately went forward, throwing the end of his cloak off his shoulder as he went, ascended the unevenly sunken steps, and knocked a sounding knock at the door.
I think he got a knock at the weekend but these Everton players, they're all fit which is good.