In no order:
- the Da Vinci Code
- the General Directory for Catechesis (ET 1997)
- Salvifici Doloris
The GD for C is unreadable. It repels the most determined attempt. I would bet a tidy sum that it was composed by monkeys, because it treats the English language with a disregard for style & meaning that has to be seen to be believed. Yet even that, barbaric as it is, fails to plumb the depths reached by the Worst Ever Specimen of Prose in English - which is a translation of a document about Communism that emanated from the French bishops. It is heroically bad; unfortunately (???) I can’t at present recall where my copy is; so count yourself lucky
“Long years ago” - in this case, before 1960 or so - translations of Catholic documents were expressed in good English, were free of “abstractitis”, observed the rules of grammar, syntax & punctuation, & paid due attention to the meaning of words. No longer.

Calvinists can still write - Anglicans & Catholics are the folk who seem unable to