be hard at it

英 [be hard at it]
美 [be hard at it]

中文释义

专心致志于…,刻苦钻研

单词分析

单词结构：

be hard at it

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：be hard at it
  • 核心含义：专心致志于…,刻苦钻研

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更新时间：2026-03-17 04:24:51