精血诚聚jīng xuè chéng jù

give one’s whole mind to
❍ 原来香菱苦志学诗，～，日间不能做出，忽于梦中得了八句，…… (《红楼梦》602) Now Xiangling had been so determined to learn to write poems,giving her whole mind to it,that although she had failed to finish this new poem the previous day she had suddenly hit on eight lines in her dreams.