pencil sharpener

I sharpen my pencil with the sharpener.

私は鉛筆削りを使って鉛筆を削ります

I sharpen my pencil with the sharpener on the desk.

私は机の上の鉛筆削りを使って鉛筆を削ります

I sharpen my pencil with the sharpener on the desk in the classroom.

私は教室で机の上の鉛筆削りを使って鉛筆を削ります

I sharpen my pencil with the sharpener on the desk in the classroom before the lesson starts.

私は授業が始まる前に教室で机の上の鉛筆削りを使って鉛筆を削ります

I sharpen my pencil with the sharpener on the desk in the classroom together with the person next to me before the lesson starts.

私は隣の席の人と一緒に授業が始まる前に教室で机の上の鉛筆削りを使って鉛筆を削ります