Explanation: Means to support their parents, so the parents happy. Usage: Combined; as predicate; refers to nourish their parents Source: "Group sound triage": "Merciful to throw loving curtain flash, how can water Shu Cheng Huan." Examples: Qing Wu Jingzi "The Scholars" Diba Hui: "Younger family willing monarch returned early the field, too - this is a matter of life to the music."