I. harm's explanation
1 and harm can be used as verbs, meaning to hurt, damage or hurt, and are usually used as transitive verbs.
2. Used as a verb to indicate injury or damage. When used as a noun, it means damage, injury, injury, etc.
Second, the relevant collocation
1, injury principle: injury principle; Harmless principle; Damage principle; Danger principle.
2. Reduce harm.
3. harm: destroy it.
4. Touch of injury: Touch of injury, touch of death.
5. Harmful set: Harm others and harm yourself.
6. Minor injury: minor injury.
Harmful to? Health: harmful to health.
Third, relevant examples
Smoking is harmful to health.
Smoking is harmful to health.
Smoking is dangerous.
Smoking is dangerous.
Smoking is not good.
Smoking is not good.
Smoking is harmful to health.
Smoking is harmful to health.