怔[zhèng] 基本解释：
新英汉大词典：
- 怔[zhèng]
- 动词- （发愣; 发呆） stare blankly; be in a daze; be in a trance
- 怔[zhēng]
- 形容词- （惊恐; 惶恐） seized with terror; terrified; afraid; panic-stricken
以上内容来源于：《新汉英大辞典》
例句与用法：
John was about to enter the room when he was brought up(short) by a note on the door.
怔的其他解释: