If it is too difficult you might become discouraged , your concentration will be overtaxed and progress will be slow 如果太难的话，你可能会感到灰心，注意力消耗殆尽，而且进展缓慢。
Yet microsoft has made little progress in its internet search abilities and in the growing business of online advertising 但是，微软网络搜索能力以及不断增长的在线广告业务进展缓慢。
At present , the temporal prediction of landslide activity are difficult problems of landslide research , it develops slowly 滑坡活动时间预测预报工作是当前滑坡研究中的难题，进展缓慢。
Yet microsoft has made little progress in its internet searching abilities and in the growing business of online advertising 然而，微软在网络搜索能力以及不断增长的在线广告业务方面进展缓慢。
Darkness hampered rescue operations , with soldiers searching the wreckage and treating the injured by flashlight 由于事故发生时天色较黑，救援工作进展缓慢，土耳其士兵只能借助手电筒进行搜寻和治疗受伤者。
Presently , the theoretical research on this problem is abundant while the practice is comparatively deficient 目前对于网络成瘾者的干预和矫治工作，较多地停留在理论探讨的层面，操作层面的研究和实践进展缓慢。
The biology community , which has been slow to adopt electronic preprints , may actually pioneer the next wave of online publishing 生物学界在接受电子预印本上一向进展缓慢，却可能领先开拓出下一波的线上出版。
Aid groups complained the ongoing violence is slowing their efforts to get food and medicine to stranded lebanese civilians 救援小组抱怨不间断的暴力冲突使得他们向被围困的黎巴嫩平民发放食物和药品的工作进展缓慢。
Cross - border collaboration with the mainland has proceeded slowly , even though there are more than 50 , 000 hong kong - invested factories across the border 与内地的跨境合作进展缓慢，尽管边境另一侧有5万多个港资工厂。
The bad : high encounter rate and loading times bog things down ; starts slowly with a lot of running around and not much else 缺点：过高的遇敌率和漫长的读盘时间让人苦陷其中；整天到处跑又没别的事情干让游戏起始阶段进展缓慢。
