A very uncommon character, its resemblance to a worried-looking face has led to its use online as an emoticon indicating mopiness, sorrow, helplessness, or speechlessness. It has already been called "the trendiest character of the 21st century." Spreading by media old and new
這個原來陌生的古字，只因「長得」像張皺著一雙愁眉的人臉，竟被網友「竄改」來表示鬱悶、悲傷、無奈、無語，如今被稱為「21 世紀最風行的漢字」。