tā / kāi / wán / xiào / shuō / gōng / sī / guī / dìng / jiù / xiàng / tiān / tiáo / yí / yàng / bù / néng / gǎi

他开玩笑说，公司规定就像天条一样不能改。

He joked that company rules are as unchangeable as divine commandments.