The two uses of "See" here draw our attention to the contrast between these two situations. AT: "Truly I was born in iniquity ... But you desire trustworthiness"
Being a sinner is spoken of as being in iniquity. AT: "I was already a sinner when I was born" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# as soon as my mother conceived me, I was in sin
Being a sinner is spoken of as being in sin. AT: "even when my mother conceived me, I was a sinner" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# you desire trustworthiness in my heart
The heart represents either 1) the person's desires or 2) the whole person. AT: "You want me to desire trustworthiness" or "you want me to be trustworthy" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-synecdoche]])