Following are a number of back-translations as well as a sample translation for translators of Proverbs 30:23:

• Kupsabiny: “when a woman who used to be rejected is married,
  and when a housemaid overturns/takes the position of the housewife.” (Source: Kupsabiny Back Translation)
• Newari: “A repulsive woman getting married,
  and a female slave
  who usurps the place of [her] master’s wife.” (Source: Newari Back Translation)
• Hiligaynon: “A slave who became king,
  a foolish-one who has abundant food,
  an irritating woman who was-able-to-get-a-husband,
  and a female servant who replaced her boss/[ama].” (Source: Hiligaynon Back Translation)
• Kankanaey: “the woman whom they have disliked/rejected who comes-to-have-a-spouse and the young-lady slave who takes-the-place-of the woman who is her master.” (Source: Kankanaey Back Translation)