形容词（体力劳动）艰苦繁重的，累死人的

adj

1. characterized by effort to the point of exhaustion
especially physical effort

e.g. worked their arduous way up the mining valley
a grueling campaign
hard labor
heavy work
heavy going
spent many laborious hours on the project
set a punishing pace

Synonym: arduousgruelinggruellinghardheavylaboriousoperosepunishingtoilsome