By my fourth week of daily drawing, I hit a wall.

在坚持每天创作的第四周里，我碰壁了。

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Sales of sugar and sweeteners, collectively worth about $4 billion in America alone, have hit a wall.

单在美国一地，食糖和甜味剂的销售额合起来就高达40亿美元左右，已显瓶颈之势。

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Nor did Harley's famous brand strength buffer it when its bikes were no longer in short supply and demand hit a wall.

当摩托车不再供不应求、需求骤降时，哈雷知名的品牌实力也没有起到缓冲作用。

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Unfortunately, if the brakes aren't fixed soon, this online delivery service will hit a wall.

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Has another of the few remaining sectors where Japan holds the lead hit a wall?

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But by 1990 Fanfare had hit a wall, and, at age 30, Cowell was nearly bankrupt.

FORBES: Magazine Article