One day, a small opening appeared on a cocoon(茧）; a man sat and watched for the butterfly for several hours as it struggled to force its body through that little hole
Then, it seems to stop making any progress.
It appeared as if it had gotten as far as it could and it could not go any further.
So the man decided to help the butterfly: he took a pair of scissors and opened the cocoon.
The butterfly then emerged easily.
But it had a withered body, it was tiny and shriveled (枯萎；皱缩；使卷缩）wings
The man continued to watch because he expected that, at any moment, the wings would open, enlarge and expand, to be able to support the butterfly’s body, and become firm
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