来函 láihán incoming letter Definitions Defs Origin Strokes Stroke Words Sentences Sents láihán incoming letter 来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen函 hán noun letter (literary or formal) a letter; correspondence; official documentláihán to send a letter 来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen函 hán to mail (bound form) to send by mail; to correspond by letter