become harmful

Examples (10)

• Even a common substance can become harmful if taken in excessive doses.
• The once-friendly rivalry became harmful to team morale.
• Without proper disposal, these batteries will become harmful to the local water supply.
• The new drug might become harmful when combined with other medications.
• At what point does a parent's ambition for their child become harmful?
• This fungus is harmless on the surface but can become harmful if inhaled.
• The constant criticism had become harmful, affecting her confidence and performance.
• Sunlight is essential, but overexposure causes it to become harmful to the skin.
• The online community started to become harmful as extremist views took over.
• If the algae bloom grows too large, it will become harmful to marine life.