He had the rough edges knocked off him at school.
校改掉了一些坏毛病。
He had the rough edges knocked off him at school.
校改掉了一些坏毛病。
He went upstairs and knocked at the door.
上楼敲门。
It sounds as though there is a knock at the door.
听起来好像有人敲门。
声明：
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达内容亦不代本软件的观点；若发现问题，欢迎向我们指正。
