- 不见棺材不落泪 bùjiànguāncaibùluòlèi obstinaterefuse to be convinced or admit defeat until faced with grim reality or disaster
- 棺材瓤子 guāncairángzi old geezeran old person with one foot in the grave (used jokingly or as an insult)
- 棺材板 guāncaibǎn coffin boardwooden board used to make a coffin, or the coffin itself