A weaker man would have buckled under the pressure.

意志薄弱的人在这种压力下可能就垮了。

《牛津词典》

He refused to take medicine, but buckled under when the doctor told him to.

他拒绝服药，但在医生的嘱咐下他屈服了。

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Trees buckled under the weight of the heavy wet snow, and electric companies reported thousands of customers have lost power.

又重又湿的大雪压垮了树木，电力公司表示上千名用户已经断电。

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It recently took over a chunk of Sowood Capital, a rival that buckled under bad bets.

ECONOMIST: Tempting morsels for strong stomachs

Russia seems to have buckled under international pressure to abstain from directly selling weapons systems to Iran.

FORBES: Is Baghdad Becoming Tehran's Military Weapons Pipeline?

The Russian oil industry buckled under the strain of low oil prices.

ECONOMIST: Pay dirt