1.
If the circumstances are such as to warrant it, force may be used. And if this be so, it should be used under the conditions which are most favourable.
如果情况证明确有使用武力的充分理由，那就可以使用武力，并且应该在最有利的情况下来使用。
2.
In many instances, such bed degradation is beneficial.
在许多情况下，这种河床冲刷是有利的。
3.
When circumstances are favourable, we must not forget that there will still be difficulties.
在顺利的情况下， 要看到还会有困难。
4.
We only love the fray so long as there is danger, and in any case, the combatants of the first hour have alone the right to be the exterminators of the last.
我们只爱具有危险的斗争，在任何情况下，只有最初参加斗争的战士才有最后歼灭敌人的权利。
5.
There are some situations which men understand by instinct, but which reason is powerless to explain;
在这样的情况下，最伟大的人就是那种最富有感情和最自然的人。
6.
She struggled for years to survive without welfare; He fought for breath.
她在没有福利的情况下为了生存奋斗了好几年。
7.
How does the enterprise make full use of the advantage of the market environment to do well in the coalsales;
如何在有利的市场情况下做好煤炭营销工作
8.
We are willing to borrow an amount that we believe - on a worst-case basis - will pose no threat to Berkshire's well-being.
我们还是愿意在估计不会损及Berkshire利益的最坏情况下，进行举债，
9.
But in the worst case scenario, it will be there.
但在最差的假设情况下，它会在那里。
10.
5. Romantic dates. There had better be a good excuse.
5.浪漫的情侣约会：这种情况下，最好有好的借口。
11.
They are, in fact, still capable under favourable circumstances of leading individual lives.
事实上，在有利的情况下，他们仍然有能力过个体生活。
12.
In case of transit, have you an entry permit for the final country of destination?
在过境的情况下，您具有最终目的国的入境许可吗？
13.
In all cases the trigger mechanism must function safely and as originally designed.
在所有的情况下,扳机的机制必须安全地动作并且合乎最初的设计。
14.
Perhaps the most difficult challenge is how to survive without friends.
或许最大的挑战是如何在没有朋友的情况下生存。
15.
In the most general case the thermal conductivity is a tensor with six components.
在最一般的情况下，热导率是一个具有六个分量的张量。
16.
In some cases, where code optimization is to be performed, it is better to use(8. 4. 2)where the di have not been factored.
在进行代码优化的情况下，最好采用没有对di进行因式分解的（8．4．2）。
17.
Don't let down even if the going is good.
即便在顺利的情况下也不要松劲。
18.
In some cases, the physical properties may be of prime importance when one is selecting a material.
在有些情况下,物理性能可能是最重要的考虑因素。