复数： competitors

China mobile has benefited from having a hamstrung competitor .

中国移动曾得益于其竞争对手能力不健全的状况。

Amazon or apple could emerge as a tough competitor .

亚马逊或者苹果可以成为一个强大的竞争者。

For now , its true competitor is the kindle fire .

在现在，它的真正对手是kindlefire。

Mr chen cites baidu as his biggest competitor .

陈先生将百度视为最大的竞争对手。

A dormant competitor gets reinvigorated .

沉寂多时的竞争对手突然焕发活力。