French-English translations for décomposer

break downPFOS and PFOS-related substances are highly fluorinated and extremely difficult to break down. Les SPFO et substances liées aux SPFO sont hautement fluorés et extrêmement difficiles à décomposer. I am afraid my computer will break down if I try to run it at too high a speedTalks broke down between Prime Minister John Doe and the opposition party
decompose

parse
us
This sentence doesnt parseThe parse will fail if the program contains an unrecognised keyword.This parse is incorrect and indicates a fault in the parser.