These two phrases have very similar meanings. They emphasize what she has promised to do. Alternate translation: "the vow" (See: [[rc://en/ta/man/translate/figs-doublet]])
Here Moses speaks of how a woman has committed herself to fulfilling a promise as if her promise were a physical object that she had bound to her body. Alternate translation: "which she has committed herself to fulfill" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# then all her vows will remain in force. Every promise ... will remain in force
These two statements say basically the same thing and emphasize that she must keep all of her vows. (See: [[rc://en/ta/man/translate/figs-parallelism]])
This is an idiom. It means that her vows will remain in effect and that she will be required to fulfill them. Alternate translation: "she will be obligated to fulfill" (See: [[rc://en/ta/man/translate/figs-idiom]])