GOD'S WORD® Translation
Don't let your mouth talk you into committing a sin. Don't say in the presence of a [temple] messenger, "My promise was a mistake!" Why should God become angry at your excuse and destroy what you've accomplished?

American Standard Version
Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that is was an error: wherefore should God be angry at thy voice, and destroy the work of thy hands?

Berean Study Bible
Do not let your mouth cause your flesh to sin, and do not tell the messenger that your vow was a mistake. Why should God be angry with your words and destroy the work of your hands?

Douay-Rheims Bible
Give not thy mouth to cause thy flesh to sin: and say not before the angel: There is no providence: lest God be angry at thy words, and destroy all the works of thy hands.

English Revised Version
Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?

King James Bible
Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?

World English Bible
Don't allow your mouth to lead you into sin. Don't protest before the messenger that this was a mistake. Why should God be angry at your voice, and destroy the work of your hands?

Young's Literal Translation
Suffer not thy mouth to cause thy flesh to sin, nor say before the messenger, that 'it is an error,' why is God wroth because of thy voice, and hath destroyed the work of thy hands?

Ecclesiastes 5:6 Additional Translations ...