Was heißt »vertrackt« auf Englisch?

Das Adjektiv »vertrackt« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Das Problem ist vertrackter, als ich dachte.: The problem is worse than I thought.

The diet is difficult.
Football matches are complicated by the presence of the opposing team.
Football matches are complicated by the presence of the opposition.
What had seemed simple turned out to be difficult.
What had seemed difficult turned out to be easy.
That was far more complicated than I thought.
When a translation is done well, it is difficult to tell which of the two texts is the original.
The situation is difficult.
I find it difficult to answer your question.
Ancient Greek is very difficult but very interesting.
It's difficult to recognise your style when the messages are limited to 80 characters.
It can be difficult to find a flat.
She's got a superiority complex.
She suffers from a superiority complex.
She has a superiority complex.
It was more difficult than I'd thought.
It was somewhat difficult to explain the context.
The blizzard made our return to base camp more difficult.
It makes matters more complicated.
It makes matters complicated.