| 单词 | knock sth↔off |
| 释义 | ● ˌknock sth↔ˈoff ● ˌknock sth↔ˈoff sth (informal ) to reduce the price or value of sth 降价；减价；使贬值◆ They knocked off $60 because of a scratch . 因为有擦痕，他们将价格减了 60 美元。◆ The news knocked 13% off the company's shares . 这消息使公司股价下跌 13%。See also knock |
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