英语词汇“buckle down”的读音、翻译、意思、用法、释义-英汉双解词典

词汇	buckle down
释义	buckle down [phrasal verb] informal : to start to work hard开始努力工作 You had better buckle down if you want to get good grades.如果你想获得好成绩，最好开始努力学习。 buckle
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