I scored the winning goal in soccer against our arch-rival.

我在足球比赛中踢进了制胜一球，打败了我们的劲敌。

youdao

EADS is the parent company of Europe's Airbus, Boeing's arch-rival.

EADS是欧洲空客的母公司，也是波音公司的主要竞争对手。

youdao

The island's fortunes sank as it lost business to its arch-rival, Singapore.

由于在商业上败给了宿敌新加坡，槟榔屿的财富缩水了。

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But in his conciliatory mood Saturday, Mr.Ravalomanana suggested he would not object to a constitutional change that would allow his arch-rival to seek the presidency.

VOA: standard.2009.11.08

Dassault's arch-rival, Gulfstream Aerospace Corp. of the U.S., is also trying to get into the act.

CNN: ASIANOW - TIME Asia | Travel Watch

Indian police say they have arrested a man suspected of passing military secrets to arch-rival Pakistan.

BBC: India arrests man accused of spying for Pakistan

One analyst has even raised the possibility of a merger with BP, its British arch-rival.

ECONOMIST: A damning verdict | The