difficult of难以, 很难difficultadj.困难的；艰难的；(人)难对付的；不易相处的difficult point in teaching教学难点Difficultly Treated Disease难诊治疾病difficult of accomplishment难以实现的difficult points of welding焊接难点difficult position analysis困境分析difficulties of rule of law法治困境difficult-to-form metal难变形金属Difficult survival position生存困境Difficult to untie the knot缬头难解difficult beneficiating ore难选矿石

1. The most difficult days are over.
   最困难的日子已经过去了。
2. We must stand side by side in our days of trouble.
   在困难的日子里我们一定要肩并肩地站在一起。