Reaching a fever pitch是什么句子结构

1）reaching a fever pitch 到达一个狂热的程度/
 也可以说：趋于白热化

如：
the lack of mutual trust in the political arena has led to a sharpening of economic rivalry , reaching fever pitch in the field of energy , impinging as it does on vital national interests . 
政治上的互不信任导致两国在经济领域的竞争日益加剧，在关系到重大国家利益的能源领域的争夺更趋于白热化。

2） pitch 当名词讲的时候： if something such as a feeling or a situation rises to a high pitch, it rises to a high level. (感情、形势等的) 程度
如：
 the public's feelings were at a high pitch of indignation.
公众的愤怒情绪达到了极点。

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