"Attollite portas, principes, vestras" -> "Lift up your gates, princes".
"Et elevamini, portae aeternales" -> "And be lifted up, eternal gates".
"Et introibit Rex Gloriae" -> "And the King of Glory will enter".
"Qius est iste Rex Glorie?" -> "Who is this King of Glory?".
...
"Procedamus in pace" -> "Let us proceed in peace".
"In nomine Christi, Amen" -> "In the name of Christ, Amen"
Since noone added the latin translations:
"Attollite portas, principes, vestras" -> "Lift up your gates, princes". "Et elevamini, portae aeternales" -> "And be lifted up, eternal gates". "Et introibit Rex Gloriae" -> "And the King of Glory will enter". "Qius est iste Rex Glorie?" -> "Who is this King of Glory?". ... "Procedamus in pace" -> "Let us proceed in peace". "In nomine Christi, Amen" -> "In the name of Christ, Amen"
[Edit: formatting was still bad]