鱼雁 yúyàn letters Origin Definitions Defs Strokes Stroke Words Sentences Sents 鱼雁不绝 yúyànbùjué constant communication to keep up a constant flow of correspondence; letters and messages arriving without interruption鱼雁沉沉 yúyànchénchén to have lost contact to be out of touch for a long time; lack of news or communication between people