knock
/nɒk/
/nɑːk/
释义
verb敲，击；（常指意外地）碰，撞；把某人撞倒（或击倒）；推倒，拆毁（建筑物）；使入睡，使不省人事；把…撞倒（或碰掉）
noun敲，敲打声；撞击声
英英释义
verbto hit something and make a noise
verbto hit something hard, usually by accident
verbto hit somebody so that they fall onto the ground
verbto break a building so that it falls down
verbto make somebody fall asleep or become unconscious (= in a state like sleep)
verbto hit something so that it falls over
nounthe sound of somebody hitting something; a sharp hit
场景例句
- I knocked on the door, but nobody answered.
- I knocked my head on the door.
- She knocked a glass off the table.
- The boy was knocked down by a car.
- They’re knocking down the old houses.
- The blow knocked him out.
- I knocked over a vase of flowers.
- I heard a knock at the door.
- She got a knock on the head.
词态变化
knock, knocks, knocked, knocking
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