encounter → countermeasure、counterfeit

encounter v. 遇到，遭遇
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词根：counter/contra 相对
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countermeasure n. 对策
注：measure是“措施”
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例：effective countermeasures 有效的对策
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counterfeit [‘kaʊntəfɪt]
a. 伪造的，赝品
注：本义“事实的对立面”，feit同fact“事实”
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例：The cash was counterfeit. 这些钱是伪钞。（柯林斯词典）[/p]