有正当理由怀疑这件事。

There is good reason to doubt this.

《柯林斯英汉双解大词典》

这些地方法官承认该慈善机构提起诉讼是有正当理由的。

The magistrates granted that the charity was justified in bringing the action.

《柯林斯英汉双解大词典》

当然，在很多情况下，成立合资企业是有正当理由的;很明显，白人和少数族裔企业可以联合起来收购单独任何一方都无法收购的业务。

Of course, in many instances there are legitimate reasons for joint ventures; clearly, White and minority enterprises can team up to acquire business that neither could acquire alone.

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