upon his best behavior

[upon his best behavior]
[upon his best behavior]

中文释义

adj. 行为检点(规矩)

单词分析

动词

单词结构:

upon his best behavior

字母数:22

记忆提示

🎯 重点记忆:

  • 单词拼写:upon his best behavior
  • 核心含义:adj. 行为检点(规矩)