About
HSK levels

    难解难分 難解難分

    nánjiěnánfēn

    1. hard to untie, hard to separate (idiom); inextricably involved; locked in battle

    这两个问题难解难分,需要同时解决。 Zhè liǎng ge wèntí nánjiěnánfēn, xūyào tóngshí jiějué.