difficul中文什么意思

例句与用法

1. 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。
2. 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。
3. 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。