What do 「やっと」 and 「うせにゃ」 mean?


I am not sure if the 「やっと」 would mean 'at last' or relate to any specific
Japanese dialect. Here is sentence including the words in question.

> だから わしが特{とく}別{べつ}におねがいして **やっと** おまえたちも入{にゅう}場{じょう}することもゆるされたんだ。
>
> おとなし **うせにゃ** いかんぜ。




やっと is a standard Japanese word. It means a desire has finally come after
difficulties or long time.

The second sentence is おとなしう/せにゃ/いかん/ぜ。. This sounds a little bit old, yet I
think this is not a dialect but euphonic changes.

  * おとなしう → おとなしく "behave yourself"

  * せにゃ → せねば "if not be"

  * いかん → いけない "must not"

  * ぜ → ぜ

Literally, it means "If you do not behave yourself, it is bad."

The whole translation: "Because of it, I asked them exceptionally, and
finally, you are allowed to enter too. You must behave yourself."

