在这场谈判中,第三方机构充当了协调者的角色。Zài zhè chǎng tánpàn zhōng, dìsānfāng jīgòu chōngdāng le xiétiáozhě de juésè.In this negotiation, the third-party institution served as a coordinator.
这位老师常常充当学生和家长之间的桥梁。Zhè wèi lǎoshī chángcháng chōngdāng xuésheng hé jiāzhǎng zhījiān de qiáoliáng.This teacher often serves as a bridge between students and parents.
没有翻译的时候,他只好自己充当向导。Méiyǒu fānyì de shíhou, tā zhǐhǎo zìjǐ chōngdāng xiàngdǎo.With no interpreter around, he had to act as the guide himself.