Pray that he may interpret

1 Corinthians 14:13 King James Version
Wherefore let him that speaketh in an [unknown] tongue pray that he may interpret.

1 Corinthians 14:13 International Standard Version
Therefore, the person who speaks in a tongue should pray for the ability to interpret it.

1 Corinthians 14:13 Literal Translation of the Holy Bible
So then, the one speaking in a language, let him pray that he may interpret.