美
['tɔɪlsəm]
"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"
Even for a man unburthened, the ascent was toilsome and precarious.
出自： R. L. Stevenson
Cooley..by means of a toilsome youth..had amassed a large amount of money.
出自： P. G. Wodehouse
