Meaning of guān si:
guān si
官司
Noun
lawsuit; CL:場|场[chang2]
Tā dǎle yī chǎng guānyú hétóng de guānsi.
他打了一场关于合同的官司。
He fought a lawsuit concerning the contract.
Tāmen huāle hěn cháng shíjiān lái dǎ zhè chǎng guānsi.
他们花了很长时间来打这场官司。
They spent a long time fighting this lawsuit.