"To get a kick out of" something means to find it amusing or funny. He would've been amused by the woman in the story having sex with whatever man he was referring to.

The first and third are definitely fine. The second one also sounds natural to me, but some might disagree. I'd argue that it's totally valid by comparing the use of "unexpected" in the second sentence to the use of "unannounced" in the first.

To egg on means to convince or incite someone to do something, usually something stupid or foolhardy or just against their own interest.

Forest is a bit more formal and carries the sense of something larger than the phrase "the woods" does. If you told me you got lost in the woods behind your house, I'd imagine some acres worth of trees. If you told me you got lost in a forest, I'd picture a much larger area. It's also worth noting that it is always "the" woods. There is no such phrase as "in a wood" or "wood" because then you're talking about pieces of wood.

"Crunch" in this case is related to its meaning in the phrase "crunch time", which refers to the time before a deadline when things need to happen or to a time when some sort of important decision has to be made. The match is very important presumably because ManU had a bad start to the season so getting points out of Arsenal is important. As for the second question, sporting events are often referred to using words associated with combat or war. Battle, clash, etc. It's just colorful word choice.

That sounded like a title, so I googled it and found that it might refer to the "universe" of some sort of Harry Potter fanfiction called "Resolving a Misunderstanding." If this isn't what you're talking about, then it's very hard to explain that phrase without knowing the context the author uses it in. Your guesses to the meaning would make sense if the phrase was "resolving a misunderstood universe," but as it stands the universe is the one doing the misunderstanding. Кароче либо это название какой-то коллекции фанфиков "Resolving a Misunderstanding" либо это что-то непонятно без знания того что автор имел в виду. Перевод наверно будет "Решение недоразумения"

In this case it means something like "the press were already aware of it/already privy to it

All can be used to describe one thing or many, while whole is only used for single things. Whole will also follow an article or number or something. "I ate all of the apple", "All people like to eat" "I ate the whole apple"