American Standard Version
Who knoweth whether he will not turn and repent, and leave a blessing behind him, even a meal-offering and a drink-offering unto Jehovah your God?

Berean Study Bible
Who knows? He may turn and relent and leave a blessing behind Him—grain and drink offerings for the LORD your God.

Douay-Rheims Bible
Who knoweth but he will return, and forgive, and leave a blessing behind him, sacrifice and libation to the Lord your God?

English Revised Version
Who knoweth whether he will not turn and repent, and leave a blessing behind him, even a meal offering and a drink offering unto the LORD your God?

King James Bible
Who knoweth if he will return and repent, and leave a blessing behind him; even a meat offering and a drink offering unto the LORD your God?

World English Bible
Who knows? He may turn and relent, and leave a blessing behind him, even a meal offering and a drink offering to Yahweh, your God.

Young's Literal Translation
Who knoweth -- He doth turn back, Yea -- He hath repented, And He hath left behind Him a blessing, A present and libation of Jehovah your God?

Joel 2:14 Additional Translations ...