Meaning of the word "a fine line" in English

What does "a fine line" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a fine line

US /ə faɪn laɪn/
UK /ə faɪn laɪn/
"a fine line" picture

Idiom

1.

a subtle distinction or difference between two things that are very similar but can have very different consequences

Example:
There's a fine line between confidence and arrogance.
It's a fine line between being helpful and being intrusive.
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