Common Meanings
1
zhēng怔
startled and frightened; in a state of terror or alarm
他听到一声巨响，怔忪不已
He heard a loud noise and was greatly startled and frightened.
Heart palpitations, particularly referring to the TCM term 'zhengchong' (怔忡) for a feeling of heart throbbing or unease.
她最近总感觉心慌意乱，医生说是怔忡之症
She has been feeling flustered and agitated recently, and the doctor diagnosed it as zhengchong (palpitations).
Frightened and uneasy, used in the compound 'zheng ying'.
他听闻此事后，心里不禁有些怔营。
After hearing about this, he couldn't help but feel a little frightened and uneasy.
2
zhèng怔
to be in a daze; to stare blankly
他突然停下来，发怔地看着窗外。
He suddenly stopped and stared blankly out the window.