It requires radical commitment so you don't buckle under the constant pressure to quit and do things the old way.

它要求人们遵守激进的承诺，这样你就不会在持续的压力下屈服、放弃，用老方法做事。

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The steel frames began to buckle under the strain.

钢架在重压下开始变形。

《牛津词典》

He's not the sort of person to buckle under to rumours.

他不是那种屈服于流言蜚语的人。

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Continental Airlines has become the latest airline to buckle under the weight of record fuel prices.

FORBES: Continental's Capitulation

If war did start to seem inevitable, they would be likely given enough financial carrots to buckle under American pressure.

ECONOMIST: Hoping to make a difference | The

As China's consumer class grows, already-scarce resources like water and petroleum may soon buckle under all of this shopping.

CNN: The fashionista's dilemma: Cheap clothes