New International Version
You turn on me ruthlessly; with the might of your hand you attack me.

American Standard Version
Thou art turned to be cruel to me; With the might of thy hand thou persecutest me.

Berean Study Bible
You have ruthlessly turned on me; You oppose me with Your strong hand.

Douay-Rheims Bible
Thou art changed to be cruel toward me, and in the hardness of thy hand thou art against me.

English Revised Version
Thou art turned to be cruel to me: with the might of thy hand thou persecutest me.

King James Bible
Thou art become cruel to me: with thy strong hand thou opposest thyself against me.

World English Bible
You have turned to be cruel to me. With the might of your hand you persecute me.

Young's Literal Translation
Thou art turned to be fierce to me, With the strength of Thy hand, Thou oppressest me.

Job 30:21 Additional Translations ...