Meaning and Usage
"有害" (yǒu hài) is an adjective meaning "harmful" or "damaging." It is commonly used to describe things that cause physical, environmental, or health damage.
Common Contexts
You will often see "有害" in contexts related to health warnings, environmental protection, and safety advisories. For example, "有害物质" means "harmful substances."
Collocations
- 有害物质: harmful substances, used in scientific or environmental contexts.
- 有害影响: harmful influence or effect, often used in social or psychological contexts.
- 有害健康: harmful to health, a common phrase in medical or lifestyle discussions.
Usage Notes
"有害" is a formal and neutral term. It is often used in written language, official warnings, and scientific descriptions. In casual speech, people might use simpler phrases like "不好" (not good) or "伤害" (to hurt) depending on the context.
Avoid confusing "有害" with "害怕" (to fear) or "害羞" (to be shy), which share the character "害" but have different meanings.