xiǎo shuō / lǐ / tā / yīn / qī zǐ / de / bèi pàn / ér / bèi / dài shàng / le / lǜ tóu jīn小说里,他因妻子的背叛而被戴上了绿头巾。In the novel, he was cuckolded due to his wife's betrayal.