Metonymous ancient poems and sentences

A cloud rises between the light of heaven and me, hiding his city from my melancholy heart. -Li Bai's "Climbing the Phoenix Terrace in Nanjing"

"Chang 'an" is another name for the imperial court. ("Cloud" and "Sun" use metonymy to refer to traitors and kings respectively. )

The green hills on both sides of the strait are opposite, and the solitary sails come from the sun. -Li Bai's Looking at Tianmen Mountain

Borrow some sails from the ship.

Why don't men take Wu Gou and accept fifty states in Guanshan? -Li He's South Garden.

"Wu Gou" borrowed weapons and "took Wu Gou" to join the army.