Following are a number of back-translations of John 18:21:

• Uma: «So, why do you (sing.) ask me? Ask those who hear me teach. They will know what I said.'» (Source: Uma Back Translation)
• Yakan: «Why do you ask me? Ask the ones who heard my teaching. Ask them what I taught them. They know it.'» (Source: Yakan Back Translation)
• Western Bukidnon Manobo: «Why are you asking me? Ask those who heard me because they know what I said to them.'» (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: «Why do you (sing.) question me? You (sing.) ought to inquire from those who have been listening to me, because they know what I have been saying.'» (Source: Kankanaey Back Translation)
• Tagbanwa: «Why am I still the one for you to question? Those ones who heard my teaching, those are the ones for you to question. They know what I said.'» (Source: Tagbanwa Back Translation)
• Tenango Otomi: «How come you are asking me about what I have said? Ask the people and they will tell you about what I have said. They know what I have said.'» (Source: Tenango Otomi Back Translation)