1. Significant -> Substantial
2. Beautiful -> Gorgeous
3. Difficult -> Challenging
4. Happy -> Contented
5. Big -> Spacious
6. Small -> Petite
7. Rich -> Wealthy
8. Poor -> Destitute
9. Smart -> Intelligent
10. Funny -> Hilarious
11. Brave -> Courageous
12. Sad ->正袜 Melancholy
13. Tired -> Exhausted
14. Interesting ->洞清冲 Fascinating
15. Bad -> Terrible
16. Good -> Excellent
17. Great -> Superb
18. Amazing -> Astonishing
19. Unique -> Unparalleled
20. Wonderful -> Splendid
21. Important -> Crucial
22. Delicious -> Delectable
23. Bright -> Radiant
24. Clean -> Immaculate
25. Dirty -> Filthy
26. Expensive -> Costly
27. Cheap ->纳歼 Inexpensive
28. Strong -> Resilient
29. Weak -> Feeble
30. Fast -> Swift.
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