It is difficult to train pigeons to escape from a certain situation by pecking.
训练鸽子通过叼啄来脱离某种情境是很困难的。
As we note that it is very difficult to train new staff.
因为我们在训练新职员时常遇到这方面的问题。
It's very difficult to train it to peck to escape a situation.
训练鸽子通过叼啄，来脱离某种情境是很困难的。
It seems to like you, although it is very hyperactive and difficult to train.
他似乎很喜欢你，虽然他十分过动而且不容易训练。
I found it difficult to sleep in the train.
我发现在火车上入睡很难。
What's the most difficult train to catch?
赶什么火车最不容易？
What's the most difficult train to catch?
赶什么火车最不容易？
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