Since it was originally introduced, the Firefox web browser has proven itself as a worthy and capable web browsing application, and a solid rival to Microsoft's dominant Internet Explorer.

从它刚创建伊始，Firefox浏览器证明了自身作为网络浏览器的价值与能力，以及对占市场优势的微软IE浏览器的有力挑战。

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Because this woman is not worthy of my love, such a rival is not worth my hate.

因为这样的女人不值得我爱，这样的情敌也不值得我憎恨。

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In neighbouring Brazil, state-controlled Petrobras has proved a worthy rival to fully private oil companies.

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Recently, these properties have been joined by a worthy rival.

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Out of two dozen entries for the Morton Frank Award for business reporting from abroad, only a pair of worthy pieces in rival publications were given higher honors in this esteemed contest.

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