官司 (guān si): การฟ้องร้อง

Because the other company still hasn't paid for the goods, we had no choice but to hire a lawyer and file a lawsuit.

He got involved in a lawsuit and hasn't come to work for several months.

The lawsuit dragged on for three years, and in the end both parties settled through court mediation.

After Grandpa passed away, several uncles ended up in a lawsuit over the inheritance.

To avoid a lawsuit, the company proactively apologized to the customer and compensated for the loss.