King James Version (KJV)
If I sin, then thou markest me, and thou wilt not acquit me from mine iniquity.
Modern English
If I sin, you watch me and do not acquit me of my iniquity.
Hebrew
אִ֥ם חָטָאתִ֗י וּשְׁמַ֫רְתַּ֥נִי וּמֵעֲוֺנִ֥י לֹ֣א תְנַקֵּֽנִי׃
ʾim ḥaṭaʾtiy vshmartaniy vmeʿavoniy loʾ tnaqeniy