YOU SAID:

I lit a firecracker inside of my epileptic brother's room, he fell to the ground and started shaking and hitting his head against the floor.

INTO JAPANESE

てんかんの兄の部屋の中で爆竹に火をつけたところ、彼は地面に倒れ、震え始め、頭を床にぶつけました。

BACK INTO ENGLISH

When he lit a firecracker in his brother's room with epilepsy, he fell to the ground, began to tremble, and hit his head against the floor.

INTO JAPANESE

兄の部屋でてんかんで爆竹に火をつけたとき、彼は地面に倒れ、震え始め、頭を床にぶつけた。

BACK INTO ENGLISH

When he lit a firecracker with epilepsy in his brother's room, he fell to the ground, began to tremble, and hit his head against the floor.

INTO JAPANESE

兄の部屋でてんかんの爆竹に火をつけたとき、彼は地面に倒れ、震え始め、頭を床にぶつけた。

BACK INTO ENGLISH

When he lit an epileptic firecracker in his brother's room, he fell to the ground, began to tremble, and hit his head against the floor.

INTO JAPANESE

兄の部屋でてんかんの爆竹に火をつけたとき、彼は地面に倒れ、震え始め、頭を床にぶつけた。

BACK INTO ENGLISH

When he lit an epileptic firecracker in his brother's room, he fell to the ground, began to tremble, and hit his head against the floor.