The meaning of 一丁前にてれちゃっても


> 「あはははは、こんなもの慣れよ慣れ。ほら、じっとしてな、払ってあげるから」
>
> 「い、いーですって、先生、自分でしますから」
>
> 「 **いっちょまえに照れちゃってもー** 。いーからいーから、自分じゃわかんないでしょ。ほら、頭の上とか」

I don't quite understand how 一丁前に modifies 照れちゃっても in this context. I
understand that 一丁前に has the ideas of becoming an adult associated with it,
but how does that come into play in this context? (She threw a snowball at
him, and he hates the cold.)




She's teasing him. 一丁前に照れちゃって is something like "So you are no longer a kid,
you know how to be shy!" (like an adolescent boy, in a situation like this
where a woman touches a man)

もー at the end is もう, which is not a conjunction but an interjection like
"gee", "whew". From a
[dictionary](http://dictionary.goo.ne.jp/jn/218382/meaning/m0u/):

> ５ 自分の判断・感情などを強める気持ちを表す語。 **感動詞的にも用いる。** まさに。なんとも。「これは―疑う余地のない事実だ」
> **「嫌になっちゃうなあ、―」**

As you can see in the example above, もー like this is usually (but not always)
preceded by a comma.




She's teasing him. 一丁前に照れちゃって is something like "So you are no longer a kid,
you know how to be shy!" (like an adolescent boy, in a situation like this
where a woman touches a man)

もー at the end is もう, which is not a conjunction but an interjection like
"gee", "whew". From a
[dictionary](http://dictionary.goo.ne.jp/jn/218382/meaning/m0u/):

> ５ 自分の判断・感情などを強める気持ちを表す語。 **感動詞的にも用いる。** まさに。なんとも。「これは―疑う余地のない事実だ」
> **「嫌になっちゃうなあ、―」**

As you can see in the example above, もー like this is usually (but not always)
preceded by a comma.

