buckle under

• • 屈服；屈从；服从；顺从；让步；承认失败：

    The stubborn student finally began to buckle under.

    那个倔强的学生最后开始屈从了。

  • 因…而垮掉，搞垮，精疲力竭：

    The professor buckled under the strain of the work.

    教授因工作过度紧张而身体垮了。