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1·The two sides can be hard to tell apart.

双方可能很难分辨。

2·From the beginning, the two were hard to tell apart.

从最开始，这两个学位便很难区分。

3·Male and female crocodilians can be hard to tell apart visually.

男性和女性鳄鱼可能很难分辨视觉。

4·Even when magnified, the two organisms are difficult to tell apart.

即使放大之后，这两种有机体也难以区分。

5·But even to the trained eye, two species of earthworms can be tough to tell apart.

可是，即使是受过训练的眼睛，也可能很难把两种蚯蚓分辨开。

6·A decade from now the players will be hard to tell apart, and there will probably be survivors from each group.

自此以后的十年玩家将更难以区分，将很可能从每一组别里都有幸存者。

7·Providers shouldn't be confused with provider methods. (In Guice 1.0, they were considerably harder to tell apart.)

不要把提供者与provider方法弄混淆了(在Guice 1.0，这两者更难区分开来)。

8·If current trends hold, traditional software firms and their open-source rivals will soon be hard to tell apart.

如果目前的趋势保持下去，传统软件公司和他们的开源竞争对手间的区别将变得越来越模糊。

9·This ensures that reflections from different places are easier to tell apart, because they do not blur into one another.

这样保证从不同地方反射回来的光更容易区分开，因为他们不会变模糊一片。

10·Bipolar disorder in children and adolescents can be hard to tell apart from other problems that may occur in these age groups.

这是特别困难的，儿童和青少年的双相情感障碍区别于其它可能发生的年龄段特有的问题。