Following are a number of back-translations of Acts 21:23:

• Uma: «It is better that you (sing.) follow this advice of ours(excl.), so that it will be clear that those critical words are not true: There are here four of our (excl.) companions who made a promise to God with vowing.» (Source: Uma Back Translation)
• Yakan: «Therefore it is good if you follow what we (excl.) are saying to you,’ the elders said. ‘There are four men here who have made a vow to God and soon their vow is finished/fulfilled.» (Source: Yakan Back Translation)
• Western Bukidnon Manobo: «It would be good if you would do what we advise you. There are here four men who have made a promise to God according to our custom.» (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: «That which is in our (excl.) mind/thoughts, it would be good if this is what you (sing.) will do. There are among us (excl.) four men whose ritual-abstinence that they have promised God is almost finished.» (Source: Kankanaey Back Translation)
• Tagbanwa: «It would be good if you follow/obey this which we (excl.) will say to you. There are four men here who have made a promise to God.» (Source: Tagbanwa Back Translation)