1. difficult
  2. rough
  3. painful
  4. Sıfat rigorous
  5. troublesome
  6. inconvenient
  7. Sıfat arduous
  8. Sıfat laborious
  9. painstaking
  10. Sıfat onerous
  11. trying
  12. sultry
  13. hard
  14. Sıfat effortful
  15. incommodious
  16. exacting
  17. toilful
  18. drudging

Türkçe Sözlük (Kubbealti Lugati)

  1. Zahmet veren, ... zor, yorucu