had no luck的no luck前为什么要加had

had no luck的no luck前为什么要加had She had no luck 不是形容她不幸的吗 为什么用luck呢 She had no luck finding a job.为什么用LUCK不用LUCKY no such luck no so luck no luck so fa 1,No sooner had ..的had一定要加吗? no such luck 怎么理解 this medicine has had no effect on the patient为什么要加 had,has She has no luck同义句 no such +单数名词=not such a/an+单数名词,但为什么有no such luck这种用法,luck是 had no control over They had no idea_____