欸

(indicating response); (sadly sighing); also pr. èi

其他读音: ǎi

(Tw) (literary) to rebuke loudly; (Tw) (literary) to sigh; used in 欸乃 ǎi nǎi

其他读音: ēi

hey (used to draw attention)

其他读音: éi

eh; huh (used to express surprise)

其他读音: ěi

hmm (used to express disapproval)

其他读音: èi

yes (used to express agreement)