圖窮匕見

1. • the assassin's dagger, concealed in a map scroll, is suddenly revealed when the map is unrolled (referring to the attempted assassination of Ying Zheng 嬴政 yíngzhèng by Jing Ke 荆轲 jīngkē in 227 BC) (idiom)

     lit.

2. • malicious intent suddenly becomes apparent

     fig.

Character by character

• 圖(tú)diagram
• 窮(qióng)poor
• 匕(bǐ)dagger
• 見(xiàn)appear