過街老鼠

1. • sb or sth detested by all
2. • target of scorn
3. • anathema
4. • cf. 老鼠过街，人人喊打

Character by character

• 過(guò)cross
• 街(jiē)street
• 老(lǎo)prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
• 鼠(shǔ)rat