YOU SAID:

i am in the middle of an play yo yo

INTO JAPANESE

私は遊びの途中です yo yo

BACK INTO ENGLISH

I'm in the middle of playing yo yo

INTO JAPANESE

ヨーヨーをしている最中です

BACK INTO ENGLISH

I'm in the middle of doing a yo-yo

INTO JAPANESE

ヨーヨーをしている最中です

BACK INTO ENGLISH

I'm in the middle of doing a yo-yo