tā / men / zài / xiàng / mù / zhōng / hù / xiāng / bāo / bì / zǎo / jiù / chuān / chéng / le / lián / dāng / kù

他们在项目中互相包庇，早就穿成了连裆裤。

They covered for each other on the project and had long since formed a collusive group.