他敲一
He knocks one
以上为机器翻译结果，长、整句建议使用 人工翻译 。
门紧闭着，他敲一下门，里面没有回应。
The door was closed, so he knocked, but there was no answer.
youdao
他和他们一起玩，输了一些钱，但当钟敲12点时，一切都从他的视线中消失了。
He played with them and lost some of his money, but when it struck twelve, everything vanished from his sight.
有人敲了一下墙壁，他应声回敲。
Someone knocked on the wall and he knocked back.
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