New Revised Standard Version
Because you did not obey the voice of the LORD, and did not carry out his fierce wrath against Amalek, therefore the LORD has done this thing to you today.

Contemporary English Version
When the LORD was angry with the Amalekites, he told you to destroy them, but you didn't do it. That's why the LORD is doing this to you.

New American Bible
“Because you disobeyed the LORD’s directive and would not carry out his fierce anger against Amalek, the LORD has done this to you today.

Douay-Rheims Bible
Because thou didst not obey the voice of the Lord, neither didst thou execute the wrath of his indignation upon Amalec. Therefore hath the Lord done to thee what thou sufferest this day.

Because thou didst not obey the voice of the Lord, neither didst thou execute the wrath of his indignation upon Amalec. Therefore hath the Lord done to thee what thou sufferest this day.

obeyedst

1 Samuel 13:9 Then Saul said: Bring me the holocaust, and the peace offerings. And he offered the holocaust.

1 Samuel 15:9,23-26 And Saul and the people spared Agag, and the best of the flocks of sheep, and of the herds, and the garments and the rams, and all that was beautiful, and would not destroy them: but every thing that was vile, and good for nothing, that they destroyed. . . .

1 Kings 20:42 And he said to him: Thus saith the Lord. Because thou hast let go out of thy hand a man worthy of death, thy life shall be for his life, and thy people for his people.

1 Chronicles 10:13 So Saul died for his iniquities, because he transgressed the commandment of the Lord, which he had commanded, and kept it not: and moreover consulted also a witch,

Jeremiah 48:10 Cursed be he that doth the work of the Lord deceitfully: and cursed be he that withholdeth his sword from blood.

hath the Lord

Psalm 50:21,22 These things hast thou done, and I was silent. Thou thoughtest unjustly that I should be like to thee: but I will reprove thee, and set before thy face. . . .