YOU SAID:

I am not funny at all. I'm so immature.

INTO JAPANESE

私は全然面白くないんです。私はとても未熟です。

BACK INTO ENGLISH

I don't find it interesting at all. I'm very immature.

INTO JAPANESE

まったく面白くないと思います。私はとても未熟です。

BACK INTO ENGLISH

I don't think it's interesting at all. I'm very immature.

INTO JAPANESE

全然面白くないと思うよ。私はとても未熟です。

BACK INTO ENGLISH

I don't think it's interesting at all. I'm very immature.