חִצֶּ֗יךָ שְׁנ֫וּנִ֥ים עַ֭מִּים תַּחְתֶּ֣יךָ יִפְּל֑וּ בְּ֝לֵ֗ב אוֹיְבֵ֥י הַמֶּֽלֶךְ׃
Thine arrows are sharp— The peoples fall under thee— [They sink] into the heart of the king's enemies.
Read kabbalistic (mystical) interpretation of Psalms 45:6: and classical mystical sources.