Enos 1:1-5

Questions

Reached the heavens. "And when the night came I did still raise my voice high that it reached the heavens." Did Enos do something differently in his prayer style at night that finally he 'reached the heavens' that he wasn't doing during his earlier daytime 'mighty prayer and supplication?'

Admonition: "Gentle reproof; counseling against a fault; instruction in duties; caution; direction" (Websters 1828).

Wrestle is mentioned five other times in the scriptures. The three cases in the Old Testament are less similar to the use here. Twice wrestle is used when Jacob physically wrestles God (Gen 32:24-25), and once wrestle is used to express the competition Rachel has with her sister to bear Jacob sons (Gen 30:8). The other two uses are more similar. In Ephesians, Paul uses wrestle to describe the struggle we face against the evils of this world. Finally, Alma labors in the spirit wrestling with God in mighty prayer (Alma 8:10).
Before. Notice there are two definitions for before. One before refers to physical location and the other to chronological location. In this case it seems to mean something like "in front of."

Thy sins are forgiven thee. The phraseology here emphasizes the act of sin instead of the person sinning. That is, God could have said "Enos, thou art forgiven for thy sins" and emphasized the forgiveness of the person as opposed to forgiveness of the act. Instead, God's emphasis here seems to be on the forgiveness of the sins.

Wrestle. Unlike Alma 8:10, the other wrestle verse from the Book of Mormon (see the lexical notes above), Enos describes wrestling before not with God. From the context it seems that the type of wrestling described here is as described in Eph 6:12, wrestling with spiritual wickedness.