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What is the idiom to describe watching friends joke?

Schadenfreude _ Kingsoft iciba

Spelling: xìng zāi lè huò

Interpretation: refers to the lack of goodwill; Feel happy when others are in disaster. Le: Joy.

Out: Yan Zhitui's "Yan Family Instructions" in the Southern and Northern Dynasties: "If you were born in a peaceful world; Above the palace; To gloat; The first is rebellion; ..... this is the basis of genocide. "

Example: a few people who are hostile to China in the world; For our temporary economic difficulties ~