For idioms (the antithesis should be neat and the meaning should be relative)

1. Simple tea and light rice-luxury food.

2. Immortality-Immortality

3. Order-disorder

A deer is a horse that can turn stone into gold.

5. As strong as gold-as dangerous as eggs.

6. Exquisite sculpture-shoddy

7. Giving charcoal in the snow-icing on the cake

8. glib tongue-clumsy mouth and tongue