您要查找的是不是：
- It is hard to tell who is who in the parade. 在游行队伍中很难分清谁是谁。
- Once he began to tell his adventures, it's hard to switch him off. 他一旦开始讲自己的冒险经历，就很难阻止他。
- It may rain or it may not. It.s hard to tell. 天也许下雨，也许不下。说不准。
- It's hard to tell him from his twin brother. 很难把他和他的孪生兄弟区分开。
- The immediate future is clear, but it's hard to tell what lies beyond. 近期内的情况很清楚,但很难说以后如何。
- It is hard to tell him from his twin brother . 很难把他和他的孪生兄弟区分开。
- It is still hard to tell who will win the prize. 鹿死谁手尚难预料。
- I think he's happy.It's hard to tell. 我想他是幸福的。这很难说。
- Whether it's true or not is hard to tell. 很难说究竟是真的还是假的.
- It is hard to tell which is right. 很难判断哪个是对的。
- It's hard to tell if this picture is an original. 很难说这幅画是不是原作。
- It's hard to tell one twin from the other. 双胞胎很难分辨。
- It's hard to tell the twins from each other. 要分别开这对双胞胎很难。
- It may rain or it may not. It's hard to tell. 天也许下雨; 也许不下.;说不准
- It's still hard to tell who will emerge victorious. 鹿死谁手尚难料。
- Frustratingly, it is very hard to tell. 让人失望的是，这个问题很难回答。
- Sanda hard to tell the truth, really hard. 说实话散打很苦，真的很苦。
- It is hard to tell the twin brothers one from the other. 这对孪生兄弟很难辨认。
- Except onea small man, whose age was hard to tell. 本文细致地描写了蜷缩在墙角的一个可怜的人。
- It's hard to tell who is right and who is wrong. 很难分辨谁是谁非。
