叩人心弦 kòurénxīnxián thrilling Origin Definitions Defs Strokes Stroke Words Sentences Sents 叩 kòu to knock To knock or strike; commonly used in terms for knocking on a door.人 rén noun person person; people; human being; a human心弦 xīnxián heartstrings The heart's deepest thoughts and feelings, especially when moved or stirred to empathy.