1
be harmless to sth/sb
表示对某物或某人无害。
The insect is harmless to humans.
这种昆虫对人类无害。
无害的；不会造成伤害的
先理解核心含义，再看它在真实句子里的用法。
无害的；不会造成伤害的
Incapable of causing harm or danger; safe.
The insect is harmless to humans.
这种昆虫对人类无害。
不能造成伤害或危险的；安全的。
Incapable of causing harm or danger; safe.
无害的；不会造成伤害的
not causing or capable of causing harm
非故意伤害的；不冒犯的。
Not intended to harm; inoffensive.
The spider is small and completely harmless to humans.
这只蜘蛛很小，对人类完全无害。
AI contextual example
He made a harmless joke that made everyone laugh.
他开了一个无害的玩笑，引得大家哈哈大笑。
AI contextual example
These chemicals are harmless if used correctly.
这些化学品如果正确使用是无害的。
AI contextual example
harmless bacteria
无害细菌
WordNet
表示对某物或某人无害。
The insect is harmless to humans.
这种昆虫对人类无害。
表示做某事对某人安全无害。
It is harmless for children to play with this toy.
孩子们玩这个玩具是无害的。
口语中用于修饰小型或轻微的事物，强调无恶意。
She gave a harmless little smile.
她无害地微微一笑。
Not this
This medicine is harmless for children.
Use this
This medicine is harmless to children.
harmless 后面应接介词 to，表示“对……无害”，而不是 for。在英语中，harmless to 是固定搭配。
Not this
This dog harmless.
Use this
This dog is harmless.
harmless 是形容词，不能单独作谓语，必须与系动词 is/are 等连用，构成系表结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
无害的娱乐
The game is just harmless fun for the kids.
这个游戏对孩子们来说只是无害的娱乐。
无伤大雅的玩笑
He told a harmless joke that made everyone laugh.
他讲了一个无伤大雅的玩笑，让大家都笑了。
无害的恶作剧
The April Fools' prank was harmless and well-received.
愚人节的恶作剧是无害的，大家都很喜欢。
无害的生物
Spiders are mostly harmless creatures that eat insects.
蜘蛛大多是吃昆虫的无害生物。
无害的错误
It was a harmless mistake that didn't affect the outcome.
那是个无害的错误，没有影响结果。
无害的习惯
Humming is a harmless habit that helps some people concentrate.
哼唱是一种无害的习惯，能帮助一些人集中注意力。
无害的乐趣
The game was just harmless fun for the kids.
这个游戏对孩子们来说只是无害的乐趣。
像鸽子一样无害
Despite his fierce appearance, he is as harmless as a dove.
尽管他外表凶猛，他却像鸽子一样无害。
Use harmless naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
harm（伤害）+ less（无）= 无害的，想象一个无害的小动物，不会造成任何伤害。
常见场景：日常描述、正式描述 通常用于描述事物或行为不会造成伤害，但在描述人时可能略带贬义，因此语域混合。
All words share the suffix -less, pronounced /ləs/ in unstressed syllables. They rhyme in the final syllable. No lookalikes differing in sound among these.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.