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- Then came a knock on the door and he cowered away. 突然有敲门的声音，他吓得躲开了。
- One morning there was a knock on the door. 一天早上有人敲门。
- A knock on the door awakened her. 敲门声把她惊醒。
- I heard footsteps, then a knock on the door. 我听到脚步声，随后是敲门的声音。
- There's a knock on the door and it's Paul. 敲门声响起,是保罗。
- At that moment, we heard a knock on the door. 正在那时,我们听到敲门声。
- There was a knock on the door and a large stoutish man stepped in. 门上敲了一下，一个身材魁梧、略为发胖的男人走了进来。
- Hardly had she begun speaking when there was a knock on the door. 她刚开始说话就听到敲门声。
- He was just falling asleep when there was a knock on the door. 他刚刚要入睡这时有人敲门。
- While he was half asleep, he seemed to hear a knock on the door. ?胧中他仿佛听到有人敲门。
- Annie is studying in her dormitory when there is a knock on the door. 安妮正在宿舍学习，听到敲门声
- I was interrupted by a knock on the door and lost my train of thought. 我被一声敲门声给打断了, 结果思路全没了。
- There was a sharp knock on the door. 敲门声大作。
- A sudden sharp knock on the door startled her. 急遽的敲门声把她吓了一跳。
- There's a knock on the door, Chandler opens it, and silently hands back the cushion. 这时敲门声响起,钱德勒去开门,无声的手递回了靠垫。
- When I fell I got a knock on the head. 我摔倒时把头撞了。
- Scene: Carol and Susan's, there's a knock on the door and Carol answers it to Ross. 卡萝尔和苏珊住处,敲门声,卡萝尔去开门,是罗斯。
- He who has done nothing shameful By day need not Be alarmed By a knock on the door at night. 日间不做亏心事，半夜敲门心不惊。
- He who has done nothing.shameful by day need not be alarmed by a knock on the door at night. 日间不做亏心事，半夜敲门心不惊。
- He was momentarily deflected from this train of argument by a knock on the door. 他一系列的争辩被一阵阵的敲门声打断。
