Proverbs 23:27 in the King James Version
For a whore is a deep ditch; and a strange woman is a narrow pit.
Context
26 My son, give me your heart; and let your eyes keep in my ways.
27 For a prostitute is a deep pit; and a wayward wife is a narrow well.
28 Yes, she lies in wait like a robber, and increases the unfaithful among men.