痛哭流涕

Explanation: Tears: tears. Described as the extreme grief. 　　Usage: Joint type; as the predicate attribute; describe very sad 　　Source: Han Ban Gu, "Han Yi Chuan": "I steal but tide wait for, for crying within one or two persons for runny nose, who for six long heave a deep sigh." 　　Examples: How can I have the heart to tell him that the old man ~ it? (Feng Deying "Spring Flowers" Chapter VI) Thesaurus:  convulsions, Bend forward hypsokinesis, guffaw, Hung Tang cachinnation, horselaugh, sad Hesitate life, hold one's sides, laughing uncontrollably