词汇 | buckle down |
释义 | buckle down phrasal verb with buckle verb uk/ˈbʌk.əl/ us/ˈbʌk.əl/ 开始努力工作 to start working hard He'll have to buckle down (to his work) soon if he wants to pass his finals. 如果他想通过期末考试就必须马上下苦功。 |
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