toilsome
英 ['tɒɪls(ə)m]
美['tɔɪlsəm]
	    - adj. 辛苦的;劳苦的;费力的
 
英英释意
- 1. characterized by toilsome effort to the point of exhaustion; especially physical effort;
 - "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"