急于 Traditional form: 急於 Pinyin (reading): jíyú Definitions: eager to in a hurry to Characters: 急 - anxious, worried; hasty, quick; pressing, urgent 于 - at, in, on; to, from; alas! Traditional characters: 急 - anxious, worried; hasty, quick; pressing, urgent 於 - at, in, on; to, from; alas!