New Living Translation
Worshiping foreign gods has sapped their strength, but they don’t even know it. Their hair is gray, but they don’t realize they’re old and weak.

American Standard Version
Strangers have devoured his strength, and he knoweth it not: yea, gray hairs are here and there upon him, and he knoweth it not.

Berean Study Bible
Foreigners consume his strength, but he does not notice. Even his hair is streaked with gray, but he does not know.

Douay-Rheims Bible
Strangers have devoured his strength, and he knew it not: yea, grey hairs also are spread about upon him, and he is ignorant of it.

English Revised Version
Strangers have devoured his strength, and he knoweth it not: yea, gray hairs are here and there upon him, and he knoweth it not.

King James Bible
Strangers have devoured his strength, and he knoweth it not: yea, gray hairs are here and there upon him, yet he knoweth not.

World English Bible
Strangers have devoured his strength, and he doesn't realize it. Indeed, gray hairs are here and there on him, and he doesn't realize it.

Young's Literal Translation
Devoured have strangers his power, And he hath not known, Also old age hath sprinkled itself on him, And he hath not known.

Hosea 7:9 Additional Translations ...