| 单词 | the penny drops |
| 释义 | the penny drops British, informal — used to say that someone finally understands something after not understanding it for a time恍然大悟；终于明白 I had to explain it to him three times, but finally the penny dropped. [=he understood the explanation]我不得不向他解释了三遍，最后他终于明白了。 penny |
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