Gǔdài xiǎoshuō lǐ cháng chūxiàn qíngláng de xíngxiàng.
The figure of the lover often appears in classical novels.
Tips
register
情郎 is literary/romantic — it refers specifically to a woman's male lover, often in old fiction or song lyrics. In modern speech you'd say 男朋友 (boyfriend); 情郎 carries a slightly archaic or melodramatic flavor.