to hit the wall ----------受阻(成語)
英文釋義
(IDIOM) To encounter the most difficult part of a task; to meet an obstacle that slows progress.
例句
Our ambitious new project went smoothly for the first month, but then we hit the wall and realized that it was going to be much more difficult and expensive than we thought.
我們雄心勃勃的新項目在第一個月時進展順利,但是后來,我們遇到了阻礙,發(fā)現它遠比我們估計的更加困難和費錢。
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