Iskani niz je bil najden v PREVODIH:
mučan
en anxious, arduous, awkward, bothersome, cumbrous, difficult, excruciating, grievous, haunting, heavy, laborious, nauseous, painful, pesky, poignant, rugged, tantalizing, tedious, thorny, troublesome, uneasy
naporan
en arduous, difficult, drudgery, grueling, gruelling, hard, heavy, labored, laborious, laborius, laboured, painful, stiff, strenuous, sweaty, tiring, toilful, toilsome, trying, uphill
teškoća
en ado, crux, cumber, difficult, difficulty, gimmick, hardships, perplexity, predicament, rub, scrape, trouble, uneasiness