difficul造句

• 15 you may find it difficul t as this is your first time travel trip
  当你第一次做这样的旅行时，可能会感到有点困难。
• Understanding and accepting another's negative feeling are difficul if your own negative feelings have not been heard and supported
  如果你的负面感觉没有被倾听、支持，你就很难了解并接受另一个人负面的感觉。
• The teacher must assure that the relative distance to mike is less than 0.5 meter, so the movable scope of teacher is strictly restricted . the disadvantage of wireless mike is : the mike breaks easily and battery costs largely . the cost is high and it is difficul to manage the equipment
  授课教师必须保证与话筒间的相对距离不超过0.5m，教师授课时的活动范围受到了严格的约束。使用无线话筒的弱点是：话筒易损坏，电池耗电量大，使用成本高，设备管理麻烦，大量使用时存在串频干扰，同时影响教师的外观形象。