know one's stuff
查询英语单词中文释义、音标、发音和例句。
know one's stuff
英
[know one's stuff]
美
[know one's stuff]
中文释义
精通自己的业务
单词分析
单词结构:
know one's stuff
字母数:16
记忆提示
🎯 重点记忆:
- 单词拼写:know one's stuff
- 核心含义:精通自己的业务
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更新时间:2026-08-29 23:13:45