be upon one's best b
查询英语单词中文释义、音标、发音和例句。
be upon one's best behaviour
英
[be upon one's best behaviour]
美
[be upon one's best behaviour]
中文释义
(在接受考查或试用期间)行为检点,循规蹈矩,守规矩
单词分析
动词
单词结构:
be upon one's best behaviour
字母数:28
记忆提示
🎯 重点记忆:
- 单词拼写:be upon one's best behaviour
- 核心含义:(在接受考查或试用期间)行为检点,循规蹈矩,守规矩
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更新时间:2026-09-25 07:06:59