前胸貼後背

1. • chest sticking to back

     lit.

2. • famished

     fig.

3. • packed chest to back

     of several persons

Character by character

• 前(qián)front
• 胸(xiōng)chest
• 貼(tiē)stick
• 後(hòu)back
• 背(bèi)the back of a body or object