Is the phrase 'tiny bit' an idiom or an adverb and a noun? [closed]

I have found in WordReference English-Greek Dictionary that the phrase 'tiny bit' is an adverb and a noun. That dictionary gives the following examples:

1. This version is just that tiny bit better than the first, but you still need to revise it.
2. I was a tiny bit sad to say goodbye to my friends, but excited about the adventure I was embarking upon.
3. There's a tiny bit of milk left in the bottle.
4. That tiny bit of cake will never satisfy Tania's appetite.

In the first and the second examples the phrase 'tiny bit' is an adverb and in the third and the fourth examples the phrase 'tiny bit' is a noun.

I know from school that 'tiny bit' means 'a little bit'. I have found in Longman Dictionary that the phrase 'a little bit' is an idiom.

Can I say that the phrase 'tiny bit' is an idiom? WordReference English-Greek Dictionary says that the phrase 'tiny bit' is an adverb and a noun. Is that correct? Is the phrase 'tiny bit' an idiom or an adverb and a noun?

posted about 5 years ago

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Marios Athanasiou‭

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