YOU SAID:

Is Cherlock hiding a secret, and so they want to keep their first name a secret?

INTO JAPANESE

彼らの最初の名前を秘密にたいし、Cherlock は、秘密を隠しているか。

BACK INTO ENGLISH

Do you want to keep their first name secret, Cherlock hiding the secret?

INTO JAPANESE

なぜシークレット・サービスに？

BACK INTO ENGLISH

John, why do you want to be in the Secret Service?

INTO JAPANESE

なぜシークレット・サービスに？

BACK INTO ENGLISH

John, why do you want to be in the Secret Service?