| 词汇 | pin down |
| 释义 | phrasal verb Two men pinned him down until the police arrived. 两个人按住他直到警察赶来。 I need the up-to-date sales figures but I can never pin him down at the office. 我需要最新的销售数字，可就是不能在办公室找到他问清楚。 It's difficult to pin her down to fixing a date for a meeting. 让她确定个开会日期实在是难。 The cause of the disease is difficult to pin down precisely. 病因目前还难以解释清楚。 |
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