YOU SAID:

he crouched down next to the small door, peering into its depths

INTO JAPANESE

彼は小さなドアの横にしゃがみ込み、その奥をのぞき込んだ

BACK INTO ENGLISH

He crouched beside the small door and peered through it.

INTO JAPANESE

彼は小さなドアのそばにしゃがみ込み、中を覗き込んだ。

BACK INTO ENGLISH

He crouched by a small door and peered inside.

INTO JAPANESE

彼は小さなドアのそばにしゃがみ込み、中を覗き込んだ。

BACK INTO ENGLISH

He crouched by a small door and peered inside.