YOU SAID:

You can’t jump on it as I’m opening it

INTO JAPANESE

開けてるから飛び乗れないよ

BACK INTO ENGLISH

I can't jump on it because it's open.

INTO JAPANESE

開いているので飛び乗れません。

BACK INTO ENGLISH

It's open so you can't jump on it.

INTO JAPANESE

開いているので飛び乗れません。

BACK INTO ENGLISH

It's open so you can't jump on it.