Difficultiea困难difficultadj.困难的；艰难的；(人)难对付的；不易相处的difficult position in humanism人文困境difficulties in reconstruction改造难点difficult-to-cut materials难加工材料Difficulties of identification识别难点difficult withdrawal of needles滞针difficult mining copper deposit难采铜矿床difficulties of the development发展困境difficult lying- in diagnoses难产诊断difficult problem of technology技术难题Difficult - cut - materials难加工材料

1. The mother had a difficult delivery.
   那位母亲难产。
2. Anxiety can also be caused by autonomic nerve disorder, lead to the contraction caused by the middle when not caused by difficult labor.
   焦虑还可引起植物神经紊乱，导到致产时宫缩无力造成难产。