I sprint as fast as I can, but not fast enough.
我拼命快跑，但怎么都不够快。
When he turned, his movement was not fast like it is now.
当他转身的时候，他的动作并不像现在这么迅速。
If your network is not fast, this is definitely inefficient.
如果网络不是很快，那这无疑会降低效率。
The bottleneck is the memory on board GPU processors: it's fast, but not fast enough.
GPU处理器的瓶颈在于搭配的显存：虽然很快，但还是不够快。
The overall trend is that the world is getting better and better, although maybe not fast enough.
她说，”当前世界的整体趋势是越来越好的，尽管速度还不是很快。
这辆车不够快。
My car's not fast, but she does 50 miles to the gallon.
我的车不快，但每加仑油它能跑50英里。
Jiang Honglin was catching up fast too, but not fast enough.
江宏林也赶得很快，但还是不够快。
Jiang Honglin was catching up fast, too, but not fast enough.
江红玲也穷追不舍，但是还不够快。
Bass is unfortunately not fast enough and often overpowering.
低音反应不快，而且经常过于有力。
Can I use this software normally if my computer is not fast enough?
如果我的电脑运转不够快，我能正常使用该软件吗？
A few years ago Web services were not fast enough to be interesting.
几年前，网络服务并不能快速地引起别人的关注。
The computer can give Mary the right lesson for her: not fast, not slow.
计算机能给玛丽上课，上得恰到好处，不快不慢。
Even though JRuby has approached the performance of CRuby, sometimes that's still not fast enough.
尽管JRuby的性能已经接近CRuby了，但有时它仍然不够快。
Manufacturers are producing solar modules as fast as they can, but not fast enough to meet demand.
北美太阳能组件制造商们已竭尽全力生产组件，但仍然无法满足市场需求。
Revenue from online advertising is growing, but not fast enough to fill the gap opened up by the decline in revenue from print advertising and circulation.
虽然在线广告的收入在逐渐提高，但并不足以弥补纸质广告和发行量的减少所失去的利润。
When the speed of human innovation and its transfer were not fast enough to keep pace with rapid ecological change, famine and disease became difficult to avoid.
如果人类社会的变革或生存方式的转换速度不能适应于生态环境的急剧恶化，饥荒和瘟疫必将不可避免地发生。
The CDMA system was widely used in the traditional system, but its data rate is not fast enough to satisfy the system that needs in some channel environment.
传统的遥控遥测系统多运用码分多址技术，在某些信道环境下，它的传输速率有时达不到高速通信的要求。
Although the TB burden may be falling globally, the decline is not fast enough to meet the impact targets set by the Stop TB Partnership - to halve the 1990 prevalence and death rates by 2015.
虽然全球结核负担可能在下降，但是下降的速度并未快到足以实现控制结核伙伴关系确定的效果指标−到2015年将1990年患病率和死亡率减半。
Although the TB burden may be falling globally, the decline is not fast enough to meet the impact targets set by the Stop TB Partnership - to halve the 1990 prevalence and death rates by 2015.
虽然全球结核负担可能在下降，但是下降的速度并未快到足以实现控制结核伙伴关系确定的效果指标−到2015年将1990年患病率和死亡率减半。
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