例句與用法

1. 15 you may find it difficul t as this is your first time travel trip
   當你第一次做這樣的旅行時，可能會感到有點困難。
2. understanding and accepting another's negative feeling are difficul if your own negative feelings have not been heard and supported
   如果你的負面感覺沒有被傾聽、支持，你就很難了解并接受另一個人負面的感覺。
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
   授課教師必須保證與話筒間的相對距離不超過0.5m，教師授課時的活動范圍受到了嚴格的約束。使用無線話筒的弱點是：話筒易損壞，電池耗電量大，使用成本高，設備管理麻煩，大量使用時存在串頻干擾，同時影響教師的外觀形象。