1. Dangerous=perilous

　　2. Nowadays=currently

　　3. Only=unique , distinctive;

　　4. Stop=cease

　　5. Part=component

　　6. Result=consequence

　　7. Obvious=apparent, manifest

　　8. Basedon=derived from can see or notice them very easily)

　　9. Quite=fairly

　　10. Pathetic=lamentable

　　11. Field=domain

　　12. Appear=emerge

　　13. Whole=entire

　　14. Wet=moist , damp , humid !

　　15. Wrong=erroneous

　　16. Difficult=formidable

　　17. Change=convert

　　18. Typical=quintessential

　　19. Careful=cautious , prudent