clean

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. This hotel is usually very clean and its rooms are immaculate keeping its reputation spick-and-span everywhere else.
  2. This hotel is extremely well maintained and its rooms look nice and clean keeping the place clean and tidy to a high standard.
  3. The spring water is crystal-clear and swimming and diving in it are great in summer.
  4. Wipe that sink clean to keep a spotlessly clean kitchen.
    Please correct the above.
    Thanks.
2
  1. This hotel is usually very clean and the rooms are immaculate [color=green]with its premises spick and span everywhere.
  2. This hotel is extremely well maintained and its rooms look nice and clean, keeping the place [color=green]neat and tidy to a high standard.
  3. The spring water is crystal clear, and swimming and diving in it [color=green]is great fun in summer.
  4. Wipe that sink clean [color=green]so as to keep [color=green]the kitchen spotless.

For us, non natives, this is more than enough (grammatically and semantically), for it conveys what you want to say.

3

The sentences are still overlong. What’s a "non-native’?
It should not matter whether the sentences are for native English speakers or non-native English speakers.

  1. This hotel is usually very clean and its rooms are immaculate while everywhere else is spic(k)-and-span. <-- I would be concerned about staying in a hotel which is ‘usually very clean’. At which times is it not clean?
  2. This hotel is extremely well maintained and its rooms look nice and clean, helping maintain a high standard.
  3. In summer, swimming and diving are great sports, thanks to the crystal clear water.
  4. Wipe that sink clean to keep the kitchen spotless.
4

Beeesneees,

  1. The swine meat is unclean to you.
  2. The swine’s meat is unclean to you.
    Which is correct grammatically? Thanks.
5

I don’t imagine that anyone would refer to ‘pork’ as ‘swine meat’ or ‘swine’s meat’ in the UK or the US, but both are possible.