YOU SAID:

the cat sat on the mat while slapping a hat on a bat

INTO JAPANESE

猫はバットに帽子を叩きながらマットの上に座った

BACK INTO ENGLISH

The cat sat on the mat while banging his hat on the bat

INTO JAPANESE

猫はバットに帽子をぶつけながらマットの上に座った

BACK INTO ENGLISH

The cat sat on the mat while hitting his hat against the bat

INTO JAPANESE

猫はバットに帽子をぶつけながらマットの上に座った

BACK INTO ENGLISH

The cat sat on the mat while hitting his hat against the bat