Amateurs fall by the wayside when the going gets tough.

初学者们遇到困难就半途而废。

《柯林斯英汉双解大词典》

Maybe the pajama trend is born of allowing some aspects of our lives to fall by the wayside in favor of other more important things than our appearance.

也许睡衣潮流的出现，是因为我们生活中的某些方面被其他比外表更重要的东西取代了。

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Google can no longer afford to let promising ideas fall by the wayside.

谷歌可不能再浪费好点子了。

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Unfortunately, when public pensions defend their investing decisions, truth may fall by the wayside.

FORBES: Public Pension Suckers For Private Equity

This hones some regions to levels of superior ability, while others fall by the wayside.

ECONOMIST: Autism

Without big drug firms to push them, generics fall by the wayside--at least until we find them.

FORBES: Generics Take A Giant Step