Why is this goal difficult to achieve?
为什么这种目标很难达到？
That may be especially difficult to achieve in Africa.
这或许特别难以在非洲化为现实。
So with the way the fuse was very difficult to achieve.
所以采用保险丝的方式实现起来很困难。
The balance is increasingly difficult to achieve don't you think?
两者的平衡越来越难以达到。你说呢？
Can't stand failure and setbacks, it is difficult to achieve.
忍受不了失败和挫折，就很难达到辉煌。
Life may be difficult to achieve the goal, but I do not care.
也许一生也难达到目标，但我并不在乎。
However, the general Offset, it is difficult to achieve the level.
然而对普通胶印来说，这是很难达到的水平。
However, this approach is more limited and more difficult to achieve.
但是，这种方式限制较多，且实现难度比较大。
This optimal dosage is very difficult to achieve from taking food alone!
这个量单从食物中摄取是很难达到的！
It's really, really difficult to achieve that full potential in the real world.
在现实中充分发挥潜力，实现目标确确实实很困难。
With this in mind, it becomes difficult to achieve specific goals together.
因为每个人的想法不同，就很难一起达到某一特定目标。
But our meager strength alone is difficult to achieve significant results.
但是仅凭我们微薄的力量还难以取得显著的成效。
High cost, economic efficiency is difficult to achieve the desired results.
成本居高不下，经济效益很难达到预期效果。
That requires industry-wide cooperation, which has been difficult to achieve.
这要求整个行业进行协作，但通常很难办到。
This kind of simplicity is difficult to achieve and therefore it is so rare.
这种简单是难以企及的，因此也十分珍贵。
So it is difficult to achieve an ideal control effect due to those features.
正是由于这些特点，使得温度控制系统难以实现理想的控制。
Freedom is everyone's dream. It's so precious which is difficult to achieve.
自由是每个人的向往，也由于自由的不易达到，才更体现了自由的珍贵。
A complete analysis of the compartmentation of hydrolases is difficult to achieve.
对水解酶间隔作用作完全分析是很难达到的。
Growth in profit has become more difficult to achieve due to increased competition.
由于竞争的加剧，利润增长变得更加困难。
Such unknowns will make international agreement on these measures difficult to achieve.
这些未知的因素使得有关这些措施的国际协定难以实现。
If the target is too high, difficult to achieve, only can affect a child's confidence.
如果目标太高，难以达到，只会影响孩子的自信心。
Supply chain is a complex system, so it is difficult to achieve its global optimization.
供应链作为复杂系统，使得其全局优化难以实现。
The simple via connection has been difficult to achieve high-quality signal transmission.
因此简单的过孔连接已经难以实现高质量的信号传输。
But without new experienced players, real stars, it will be difficult to achieve success.
但没有新的有经验的球员，真正球星，是很难取得成功的。
A "challenge" has to be something that is difficult to achieve otherwise it is just a "task".
一项“挑战”只有具备一定难度才可被称为“挑战”，否则充其量仅为一项“任务”。
It was recognized that an efficient approach with such properties might be difficult to achieve.
同时大家也知道，很难得到这样一个及时有效的方法。
However, without the initial record of the change set it would be extremely difficult to achieve.
然而，没有变更组合的最初记录，它将很难实现。
However, without the initial record of the change set it would be extremely difficult to achieve.
然而，没有变更组合的最初记录，它将很难实现。
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