1. for
  2. with regard to
  3. apropos of apropos of
  4. at
to take necessary action on ... Fiil
to take necessary action to ... Fiil
to use one's reasonable best efforts to ... Fiil, Hukuk
to be uneasy about one's health Fiil
Convention on Protection of Children and Co-Operation in Respect of Intercountry Adoption İsim, Uluslararası Hukuk