1.
The spillway cannot be blocked, otherwise it will cause a serious problem.
不能堵塞泄洪道, 否则后果不堪设想。
2.
If this pruning cannot take place, the organ becomes less and less efficient, and dire consequences result.
而如果这种剪裁不能进行，那么这个器官将越来越低效直至后果不堪设想。
3.
And to this tale of survival is added the touching story of an orphaned cub which is forced to go it alone in a world of ice.
然而，与北极熊相处可不许掉以轻心，随时有机会被牠们重重包围，甚至攻击，后果不堪设想。
4.
We have already wasted 20 years when we should have been developing. If we paid no attention to education, science and technology, we would waste another twenty years, and the consequences would be dreadful to contemplate.
否则，我们已经耽误了二十年，影响了发展，还要再耽误二十年，后果不堪设想。
5.
There would be dire consequences for the rest of the world.
对世界其它地区，后果将不堪设想。
6.
She was exhausted and her bare feet were stinging cruelly, but to stop would have been fatal.
她疲惫不堪，裸露的双脚疼痛不已，但是停下来的后果会更不堪设想。
7.
but once you start ethnic profiling, it's a slippery slope.
但一旦开始根据宗教划线 后果不堪设想
8.
(saying )sow the wind and,reap the whirlwind(start sth that seems fairly harmless and have to suffer unforeseen consequences that are serious or disastrous )
谚)播种的是风,收割的是暴风;（原无大害的事）后果却不堪设想.
9.
It might mean anything: defeat, breakdown, the redivision of the world, the destruction of the Party!
可能的后果是不堪设想的：战败、崩溃、重新划分世界、党的毁灭！
10.
It would be most disastrous if even a rumor of it were given out.
甚至只要有一点风声漏出去，结果就不堪设想。
11.
Avoid to use same code in different system as far as possible, otherwise once the password loses, consequence will be unimaginable.
尽量避免在不同的系统使用同一密码，否则密码一旦遗失，后果将不堪设想。
12.
He tried to explain how unthinkable her suggestion was.
他想要解释：她的打算是多么不堪设想。
13.
If not, the consequences are too ghastly to discuss.
若是不能，结局就不堪设想。
14.
The arrangements for the bath were unbelievable.
浴室的设备确是不堪想像。
15.
"By jove, the future of gunnery in America is lost!"
“唉！美国制炮学的前途实在不堪设想了。”
16.
What needs to be stressed is that if we do not maintain the currency linking system, the economic consequences will be unthinkable.
我需要特别强调的是：如果我们不坚持联系汇率，香港经济局面肯定不堪设想；
17.
There will be the deuce to pay.
后果可怕，后患堪虞。
18.
“Now the grandparents...” I closed my eyes, dreading the hopelessness of my situation.
“现在，祖父母们……-”我闭上眼睛，处境让我不堪设想。