网络负面舆论的危害有多种表现，以下是一些主要的英文表述：

Damage to Image and Reputation: Negative online opinions often harm the image and reputation of individuals, businesses, or governments.

Loss of Trust: Negative public sentiment can lead to a decrease in trust towards individuals, businesses, or organizations, affecting business relationships and cooperation.

Economic Losses: Negative online discussions can result in customer loss, sales decline, and even investor skepticism, leading to significant economic losses.

Hindrance to Recruitment and Development: Negative public opinion can affect a company's recruitment image, discouraging talented individuals from joining, and potentially impeding organizational growth.

Decrease in Social Trust: For social institutions and governments, negative public sentiment may cause a decline in public trust towards the entire social system.

Impact on Decision-making and Policy: Negative online sentiment can influence decision-making processes and policies, potentially leading to misjudgments and adverse outcomes.

Creation of a Negative Public Environment: The spread of negative online opinions can foster a negative public atmosphere, further amplifying the negative effects.

Demoralization of Employees: Negative public sentiment can demoralize employees, reducing work motivation and team cohesion.

Sustained Impact: Once negative online sentiment spreads, its effects can be long-lasting, potentially having a prolonged impact on the reputation of businesses or individuals.

请注意，这些只是网络负面舆论危害的一些主要表现，实际情况可能因具体事件和背景而有所不同。