The source of the allusion: Chen Ming Zilong's "A Trip to the Major General": "Wu Ying's paintings are boundless, and the dragons and tigers cover the clouds. This idiom means: the flag of a general. Idiom phonetic notation: ㄨㄙˊㄈㄢㄏㄨˇㄉㄠˋ Universal Pinyin: Long fān hǔ Pinyin Abbreviation: LFHD Usage Frequency: Unused Idiom Idiom Words: Four-character Idiom Sense. Used in written language. Idiom structure: combined idioms