獅子大開口

1. • (fig.) to make an exorbitant demand to ask for an outrageously high price

     saying

Character by character

• 獅(shī)lion
• 子(zi)noun suffix, as in 椅子 yǐzi "chair"
• 大(dà)big
• 開(kāi)open
• 口(kǒu)mouth