'Yǎo ěr duo' literally means 'to bite ears', but it's an idiomatic verb meaning to whisper secretly into someone’s ear—often to influence, persuade, or gossip privately. The image evokes someone leaning in closely, almost as if nibbling the ear, to share hushed words away from others’ attention. Though the characters suggest physical action, the phrase is purely figurative and always used metaphorically.

This expression carries a slightly playful or colloquial tone and often implies discretion, persuasion, or behind-the-scenes influence—sometimes with a hint of mischief or underhandedness (e.g., whispering biased advice). It commonly appears in informal speech, storytelling, or media describing covert communication, especially in family, workplace, or political contexts where subtle influence matters.