to take a share of something, usually an illegal or improper profit; based on a story from the 左传 zuǒ​zhuàn where a minister dipped his finger into a pot of soup he was forbidden from eating

Indicates a location, scope, or time; equivalent to 在 zài

an ancient Chinese cooking vessel, typically round with three legs and two handles or rectangular with four legs, used for cooking or holding food; often made of bronze or clay