pin down
参考词典中pin down的常规释义：
基本释义
- v.使受约束,阻止,压制
参考例句
- The Boy had to pin down the dog to wash him.
这男孩必须扣牢这只狗帮它洗澡。 - You must pin down every quotation to its author.
你一定要确定每一个引文的作者是谁。
- The Boy had to pin down the dog to wash him.
英英解释
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