be spoiled
He said that he was spoiled. Arrogance means "Jiao".
Idioms and allusions
[source] Hu Pu'an's "China's national scenery · the strange customs of Wu County, Jiangsu Province" says: "the children of rich families are arrogant and habitual, most of them are weak and sometimes sick."
Discrimination of words
[usage] used as predicate and attributive; refers to being spoiled.
be spoiled
a powerful and unconstrained style - tiān mǎ xíng kōng
free from arrogance and impetuosity - bù jiāo bù zào