NET
25 It is a snare for a person to rashly cry, “Holy!” and only afterward to consider what he has vowed.
Darby
25 It is a snare to a man rashly to say, It is hallowed, and after vows to make inquiry.
KJV
25 [It is] a snare to the man [who] devoureth [that which is] holy, and after vows to make enquiry.