Psalms 81:8

⁶ “I relieved his shoulder of the burden; his hands were freed from the basket.

⁷ You called out in distress, and I rescued you; I answered you from the cloud of thunder; I tested you at the waters of Meribah. Selah

Hear, O My people, and I will warn you: O Israel, if only you would listen to Me!

⁹ There must be no strange god among you, nor shall you bow to a foreign god.

¹⁰ I am the LORD your God, who brought you up out of Egypt. Open wide your mouth, and I will fill it.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: Hear, O My people, and I will warn you: O Israel, if only you would listen to Me!
KJV: Hear, O my people, and I will testify unto thee: O Israel, if thou wilt hearken unto me;
WEB: “Hear, my people, and I will testify to you, Israel, if you would listen to me!
ASV: Hear, O my people, and I will testify unto thee: O Israel, if thou wouldest hearken unto me!
DARBY: Hear, my people, and I will testify unto thee; O Israel, if thou wouldest hearken unto me!
BLB: hear, O My people, and I will testify against you—O Israel, if you would listen to Me!

ÅB: Hør, mitt folk, og jeg vil vitne for deg! Israel, o, at du ville høre meg:
OTB: Hør, mitt folk, og jeg vil advare deg;
Israel, om du bare ville lytte til min røst!
B1930: Hør, mitt folk, og jeg vil vidne for dig! Israel, o, at du vilde høre mig:

Psalms 50:7
“Hear, O My people, and I will speak, O Israel, and I will testify against you: I am God, your God.
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Exodus 15:26
saying, “If you will listen carefully to the voice of the LORD your God, and do what is right in His eyes, and pay attention to His commands, and keep all His statutes, then I will not bring on you any of the diseases I inflicted on the Egyptians. For I am the LORD who heals you.”
Read in context
John 3:11
Truly, truly, I tell you, we speak of what we know, and we testify to what we have seen, and yet you people do not accept our testimony.
Read in context
Isaiah 1:19
If you are willing and obedient, you will eat the best of the land.
Read in context
Isaiah 55:3–4
Incline your ear and come to Me; listen, so that your soul may live. I will make with you an everlasting covenant— My loving devotion promised to David.
Read in context
1 John 5:9
Even if we accept human testimony, the testimony of God is greater. For this is the testimony that God has given about His Son.
Read in context
John 3:32–33
He testifies to what He has seen and heard, yet no one accepts His testimony.
Read in context
Psalms 81:13
If only My people would listen to Me, if Israel would follow My ways,
Read in context