1.
It cannot be overvalued.
它的价值难以估计。
2.
The economic, social, and personal costs are immeasurable.
对经济、社会及个人更造成难以估计的损失。
3.
It will be a profound social change, and its effects, for good or ill, are incalculable.
它将是一场深刻的社会变革，结果不管是凶是吉，其影响将是难以估计的。
4.
Be impossible for sb to imagine, understand or calculate
对於某人来说，难以想像、理解或估计
5.
difficult or impossible to evaluate with precision.
很难或不能精确估计。
6.
There are some things people abroad find hard to understand, that is natural, but we know why these things happened.
有些事情人们难以理解也不奇怪，但我们自己是有清醒估计的。
7.
Opening a casino which contains them may take a while.
想开一座经营老虎机的赌场，估计一时半会难以实现。
8.
may be computed or estimated.
可以被计算或者估计。
9.
Error Estimation of Estimating Probability with Frequency And Its Usage
以频率估计概率的误差估计及其应用
10.
It's difficult to gauge one's character.
估计一个人的性格是很难的。
11.
Without a timepiece, the measurement of time be not easy
如果没有钟表,就很难估计时间
12.
Without a timepiece, the measurement of time is not easy.
如果没有钟表,就很难估计时间。
13.
It is difficult to assess the importance of the decision.
很难估计这个决定的重要性。
14.
Estimation of right atrial size on plain radiography is fraught with difficulties.
在平片上很难估计右心房的大
15.
It' s difficult to assess the impact of the President' s speech.
总统讲话的巨大影响很难估计.
16.
One of the most difficult tasks is to estimate the cash flows.
其中难度最大的是估计现金流量。
17.
It's hard to measure his ability when we haven't seen his work.
没有见过他的作品, 很难估计他的能力。
18.
Algorithm and Rationality Evaluation of Automation Generating Paper Difficulty
自动组卷难易度合理评估的算法设计