I used a toothbrush to remove the dust on the bottom of the slippers.
I got rid of the dust on the bottom of the slippers with a toothbrush.
I used a toothbrush to remove the dust on the bottom of the slippers.(歯ブラシを使ってスリッパの裏についてる埃を取った)
I got rid of the dust on the bottom of the slippers with a toothbrush.(スリッパの裏についてる埃を歯ブラシで取った)
スリッパの裏=bottom of slippers
歯ブラシ=toothbrush
取る(除去する)=remove, get rid of
埃=dust