Meaning of the word "a little knowledge is a dangerous thing" in English

What does "a little knowledge is a dangerous thing" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a little knowledge is a dangerous thing

US /ə ˈlɪt.əl ˈnɑː.lɪdʒ ɪz ə ˈdeɪn.dʒɚ.əs θɪŋ/
UK /ə ˈlɪt.əl ˈnɒl.ɪdʒ ɪz ə ˈdeɪn.dʒər.əs θɪŋ/
"a little knowledge is a dangerous thing" picture

Idiom

a small amount of knowledge can mislead people into thinking that they are more expert than they really are, which can lead to mistakes

Example:
He tried to fix the electrical wiring himself after reading one article, proving that a little knowledge is a dangerous thing.
Don't give medical advice if you aren't a doctor; a little knowledge is a dangerous thing.