characterized by 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\\\"
造句
用作形容詞(adj.)
The Hawaii Ironman is even more grueling. 夏威夷鐵人三項賽就更艱巨了。
The presentation of future plans had been a grueling work. 制定這些計劃是一項令人精疲力竭的工作。