1
harm sb/sth
Pollution harms the environment.
污染损害环境。
伤害；损害
harmed — past of harm
先理解核心含义，再看它在真实句子里的用法。
伤害；损害
To damage, hurt, or injure someone or something.
Pollution harms the environment.
污染损害环境。
损坏、伤害或损害某物,通常指无生命物体。
To damage, hurt, or injure something, usually an inanimate object.
harm
Base
原形
harms
3rd person
第三人称单数
harming
-ing
现在分词
harmed
Past
过去式
harmed
Past participle
过去分词
Smoking harms your health.
吸烟有害健康。
The storm harmed the crops.
暴风雨损害了庄稼。
He has never harmed anyone.
他从未伤害过任何人。
规则动词，过去式和过去分词加-ed。
Too much sunlight can harm your skin.
过多的阳光会伤害你的皮肤。
The storm harmed many crops in the area.
暴风雨损害了该地区的许多庄稼。
You are harming your health by smoking.
吸烟正在损害你的健康。
Pollution harms the environment.
污染损害环境。
用于强调伤害的主体和客体是同一人。
He harmed himself while trying to fix the machine.
他在试图修理机器时伤到了自己。
被动结构，强调受害者。
Many animals are harmed by deforestation.
许多动物因森林砍伐而受到伤害。
Not this
Smoking harms to your health.
Use this
Smoking harms your health.
动词 harm 是及物动词，直接跟宾语，不需要加介词 to。中文的“对…有害”结构容易导致误加 to。
Not this
He did harm me.
Use this
He harmed me.
动词 harm 直接表示“伤害”，不需要用“do harm”结构。do harm to 是名词短语，需加 to 再跟宾语，而动词 harm 本身是及物的。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
损害环境
Plastic waste can harm the environment for hundreds of years.
塑料垃圾会损害环境数百年。
危害人体健康
Air pollution is known to harm human health.
空气污染已知会危害人体健康。
伤害野生动物
Oil spills harm wildlife along the coast.
石油泄漏会伤害沿海的野生动物。
损害经济
Trade wars can harm the economy of both countries.
贸易战会损害两国的经济。
损害免疫系统
Lack of sleep can harm your immune system.
睡眠不足会损害你的免疫系统。
连一只苍蝇都不忍伤害；形容人非常温和善良
He wouldn't harm a fly, so I can't believe he started the fight.
他连一只苍蝇都不忍伤害，所以我无法相信是他先动手的。
伤害某人一根毫毛（常用于警告）
If you harm a hair on her head, you'll regret it.
你要是伤她一根头发，你会后悔的。
若不伤害任何人，便可随心所欲。
A famous line from the Wiccan Rede, a moral code in Wicca. It is often quoted to mean people may act freely as long as they cause no harm.
这是威卡教道德准则“威卡戒律”中的名句，常被引用来表达“只要不伤害他人，就可以自由行事”的思想。
Use harmed naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 harm 联想成“哈姆”（蛤蟆），想象一只蛤蟆在屋里乱跳弄坏东西，记住“伤害、损害”的意思。
语域：formal 常见场景：环保与健康报告、行政法规与警告、科普/技术说明 作动词表示“伤害、损害”时通常用于比较正式或书面的语境，如环保、健康或法规类文本；在日常口语中一般更常说 hurt 或 damage，选择时可结合文体和场合判断。
常用于被动结构，如 be harmed by。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.