形容词 a. 1. (指任务)需要精力或技术的;困难的[+to-v] It's very difficult to swim across the Yangtze River. 游过长江很难. Mathematics is difficult for some students. 有些学生觉得数学困难. 2. 难相处的,不随和的 Mary was a very difficult child. 玛丽过去是一个很难弄的孩子. 3. 艰难的,难熬的 The most difficult days are over. 最困难的日子已经过去了.
