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。

youdao

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。

youdao

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

FORBES: Continental's Capitulation

Greece is more likely to buckle under austerity and quit after a succession of governments like the new one.

ECONOMIST: Staring into the abyss

As we enter 2013, the waves are peaking, the water froths, and the boats bouncing on it creak and groan as they buckle under the strain.

FORBES: Talent Management's Perfect Storm