疑难
yí​nán

knotty

  • created sense approved 疑难/疑難 · yí​nán · knotty

    疑难 / 疑難

    yí​nán

    knotty

    difficult to deal with, complicated, or complex

    这种疑难病症让医生们感到非常棘手。

    noun

    created sense

  • created sense approved 疑难/疑難 · yí​nán · puzzling

    疑难 / 疑難

    yí​nán

    puzzling

    hard to understand or solve; full of doubts

    老师正在耐心解答学生们提出的疑难问题。

    noun

    created sense