New Revised Standard Version
Do not deprive one another except perhaps by agreement for a set time, to devote yourselves to prayer, and then come together again, so that Satan may not tempt you because of your lack of self-control.

Contemporary English Version
So don't refuse sex to each other, unless you agree not to have sex for a little while, in order to spend time in prayer. Then Satan won't be able to tempt you because of your lack of self-control.

New American Bible
Do not deprive each other, except perhaps by mutual consent for a time, to be free for prayer, but then return to one another, so that Satan may not tempt you through your lack of self-control.

Douay-Rheims Bible
Defraud not one another, except, perhaps, by consent, for a time, that you may give yourselves to prayer: and return together again, lest Satan tempt you for your incontinency.

Defraud not one another, except, perhaps, by consent, for a time, that you may give yourselves to prayer: and return together again, lest Satan tempt you for your incontinency.

except.

Exodus 19:15 He said to them: Be ready against the third day, and come not near your wives.

1 Samuel 21:4,5 And the priest answered David, saying: I have no common bread at hand, but only holy bread, if the young men be clean, especially from women? . . .

Joel 2:16 Gather together the people, sanctify the church, assemble the ancients, gather together the little ones, and them that suck at the breasts: let the bridegroom go forth from his bed, and the bride out of her bridal chamber.

Zechariah 7:3 To speak to the priests of the house of the Lord of hosts, and to the prophets, saying: Must I weep in the fifth month, or must I sanctify myself as I have now done for many years?

Zechariah 12:12-14 And the land shall mourn: families and families apart: the families of the house of David apart, and their women apart: . . .

that Satan.

Matthew 19:11 Who said to them: All men take not this word, but they to whom it is given.

1 Thessalonians 3:5 For this cause also, I, forbearing no longer, sent to know your faith: lest perhaps he that tempteth should have tempted you: and our labour should be made vain.