3 using or involving a lot of mental or physical effort 费力的,费劲的 usually before noun 一般用于名词前
WORK/EFFORT
工作/努力
15 15. a. used to tell someone that you feel sorry for them because they have not succeeded in what they were trying to do b. when bad things happen to you that are not your fault c. used to say that you do not care if someone is having problems, does not like something etc 真不幸,真倒霉〔反话〕 BrE spoken spoken also 又作 hard cheeseBrE
hard luck hard cheese