New Living Translation
Your life will constantly hang in the balance. You will live night and day in fear, unsure if you will survive.

American Standard Version
and thy life shall hang in doubt before thee; and thou shalt fear night and day, and shalt have no assurance of thy life.

Berean Study Bible
So your life will hang in doubt before you, and you will be afraid night and day, never certain of survival.

Douay-Rheims Bible
And thy life shall be as it were hanging before thee. Thou shalt fear night and day, neither shalt thou trust thy life.

English Revised Version
and thy life shall hang in doubt before thee; and thou shalt fear night and day, and shalt have none assurance of thy life:

King James Bible
And thy life shall hang in doubt before thee; and thou shalt fear day and night, and shalt have none assurance of thy life:

World English Bible
and your life shall hang in doubt before you; and you shall fear night and day, and shall have no assurance of your life.

Young's Literal Translation
and thy life hath been hanging in suspense before thee, and thou hast been afraid by night and by day, and dost not believe in thy life;

Deuteronomy 28:66 Additional Translations ...