Across
- 1. ( formal ) very serious
- 3. ( formal ) ( literary ) a large empty space
- 4. to fall down or fall in suddenly, often after breaking apart
- 7. to try to persuade people that sb/sth is important or valuable by praising them/it
- 8. extremely impressive in strength or excellence，inspiring fear
- 10. [ usually passive ] to reduce sth by a large amount so that there is not enough left
Down
- 2. try very hard to do something
- 5. connected with the sense of sight or the relationship between light and sight
- 6. large in amount, or impressive, and usually costing a lot of money
- 9. ( formal )made or decorated using expensive materials；( of people 人 ) extremely rich