Learner's definition of PIOUS
1
[more pious; most pious] : deeply religious : devoted to a particular religion虔诚的;虔敬的 2
disapproving : falsely appearing to be good or moral伪善的;假正经的
pious hope/wish
: something that is hoped for but will probably not happen难以实现的希望;可望而不可即的愿望