In Genesis 39:8, it is used on the word "VaY'maen" (and he refused), during Joseph's attempted seduction by Potiphar's wife, to indicate Joseph's struggle against temptation.
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In Genesis 19:16, it is used on the word "VaYitmah'maH"(and he lingered), when Lot is lingering in Sodom as it is marked for destruction, to show Lot's uncertainty.