YOU SAID:

You won't be able to run when the machine starts tickling you

INTO JAPANESE

マシンがくすぐり始めると走れなくなります

BACK INTO ENGLISH

If the machine starts tickling you, you won't be able to run.

INTO JAPANESE

機械がくすぐったくなったら、走れなくなります。

BACK INTO ENGLISH

If the machine tickles you, you won't be able to run.

INTO JAPANESE

機械がくすぐったいなら、走れなくなりますよ。

BACK INTO ENGLISH

If the machine tickles you, you won't be able to run.