American Standard Version
Blessed be Jehovah; For he hath showed me his marvellous lovingkindness in a strong city.

Berean Study Bible
Blessed be the LORD, for He has shown me His loving devotion in a city under siege.

Douay-Rheims Bible
Blessed be the Lord, for he hath shewn his wonderful mercy to me in a fortified city.

English Revised Version
Blessed be the LORD: for he hath shewed me his marvelous lovingkindness in a strong city.

King James Bible
Blessed be the LORD: for he hath shewed me his marvellous kindness in a strong city.

World English Bible
Praise be to Yahweh, for he has shown me his marvelous loving kindness in a strong city.

Young's Literal Translation
Blessed is Jehovah, For He hath made marvellous His kindness To me in a city of bulwarks.

Psalm 31:21 Additional Translations ...