be invisible to sb/sth
to 后接看不见它的对象，常用 the naked eye（肉眼）、the audience 等。
These bacteria are invisible to the naked eye.
这些细菌肉眼看不见。
不显眼的；不易察觉的；不浮于表面的；隐藏的；被忽视的；被无视的；看不见的；在视线之外的；不可见的。；无法或几乎无法看到；肉眼无法察觉
impossible to see; not visible
看不见的；在视线之外的；不可见的。
Unable to be seen; out of sight; not visible.
无法或几乎无法看到；肉眼无法察觉
impossible or nearly impossible to see; imperceptible by the eye
不表现在表面上的。
Not appearing on the surface.
不显眼或不易注意到
not prominent or readily noticeable
被人忽视的。
That is ignored by a person.
The bacteria are invisible to the naked eye, so we use a microscope to see them.
这些细菌肉眼看不见，所以我们用显微镜来观察它们。
用法提示：invisible 为形容词，作表语，表示‘看不见的、肉眼无法察觉的’。
AI contextual example
She felt invisible at the party because no one talked to her.
她在聚会上觉得自己被人忽视，因为没人跟她说话。
用法提示：invisible 为形容词，作表语，表示‘被忽视的、被人忽略的’。
AI contextual example
The seam on the dress is nearly invisible, making it look seamless.
裙子上的接缝几乎看不出来，使它看起来像无缝的一样。
用法提示：invisible 为形容词，作表语，表示‘几乎看不出来的、不易察觉的’。
AI contextual example
to 后接看不见它的对象，常用 the naked eye（肉眼）、the audience 等。
These bacteria are invisible to the naked eye.
这些细菌肉眼看不见。
from 表示观察者所在的位置或角度。
The house is completely invisible from the road.
从路上完全看不见那栋房子。
become 强调状态的变化，也可说 go invisible。可再扩展成 make oneself invisible（使自己隐形）。
The stars become invisible when the sun comes up.
太阳升起后，星星就变得看不见了。
grammar · medium
易错句子He wears a invisible coat.
正确表达He wears an invisible coat.
invisible 以元音音素 /ɪ/ 开头，前面要用不定冠词 an，而不是 a。汉语没有冠词，学习者容易只看首字母形状而误用 a。
grammar · medium
易错句子These tiny bacteria are invisible for the naked eye.
正确表达These tiny bacteria are invisible to the naked eye.
表示“对……来说是看不见的”时，invisible 后接介词 to 引出感知的主体，不用 for；to 在这里标记“在谁的眼里看不见”。
grammar · medium
易错句子My grandmother is invisible, so she uses a white cane.
正确表达My grandmother is blind, so she uses a white cane.
汉语“看不见”既能指某物不能被看见，也能指人失明；英语形容人失明要用 blind，invisible 只表示“本身不能被看见”，不能用来描述人的视力。
肉眼看不见的
These tiny organisms are invisible to the naked eye.
这些微小生物是肉眼看不见的。
隐形墨水
The spy wrote the message in invisible ink.
间谍用隐形墨水写下了这条信息。
无形的障碍
She felt an invisible barrier between herself and her colleagues.
她感到自己和同事之间有一道无形的障碍。
变得看不见
The chameleon can become invisible against the leaves.
变色龙能在树叶间变得看不见。
几乎看不见的
The scar is nearly invisible now.
那道疤现在几乎看不见了。
Choose the next layer that will help you use invisible with more confidence.
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
看不见的手（指市场力量）
Adam Smith described market forces as an invisible hand.
亚当·斯密把市场力量描述为一只看不见的手。