Pinyin: hǔ ǔ ǔ ǔ
Explanation: Tigers seem to have wings. Metaphor means that powerful people get help and become more powerful.
Source: Three Kingdoms Zhi Shu Zhuge Liang's Heart Sutra and Military Machine: "You will be able to hold the strength of the soldiers and exercise the potential of the soldiers. Under the group, your arms are like tigers with wings and soar in the world."
For example, gangsters know that once these two things reach Jiang Qingshan, they are even worse, and no amount of people can help him. ★ Quyuan Erqi
Synonym: icing on the cake
Antonym: to add insult to injury