请输入您要查询的英文单词：
单词
buckledown
释义
buck.le.down
v adv [I]
to start working hard
开始努力工作
He'll have to buckle down ( to his work) soon if he wants to pass these exams.
如果他想通过考试, 就必须马上倾尽全力。
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更新时间：2026/2/8 8:10:24