työläs
raskas, rasittava, vaivalloinen, informal hikinen, rankka
Characteristic of a burden; arduous or demanding
{{quote-book|en|year=1748|author=David Hume|title=Enquiries concerning the human understanding and concerning the principles of morals|location=London|publisher=Oxford University Press|year_published=1973|section=§ 6
(quote-journal)