1 sentence

1. 在某些地下场所，有人专门从事做鸭的行当。

   zài mǒu​xiē dì​xià chǎng​suǒ, yǒu rén zhuān​mén cóng​shì zuò​yā de háng​dang.

   In some underground establishments, some men work as male prostitutes.

   Source: Dong Chinese Dictionary