Noun + 大使
The noun 大使 (dàshǐ) means 'ambassador' and refers to a person who serves as an official representative, either in a diplomatic capacity between nations or figuratively as a representative of a cause or group. It is commonly used in both political and metaphorical contexts.
新任大使已经到达了目的地。
Xīnrèn dàshǐ yǐjīng dàodá le mùdìdì.
The newly appointed ambassador has arrived at the destination.
她被任命为中国驻法国大使。
Tā bèi rènmìng wéi Zhōngguó zhù Fǎguó dàshǐ.
She was appointed as China's ambassador to France.
这位歌手还担任了环保形象大使。
Zhè wèi gēshǒu hái dānrèn le huánbǎo xíngxiàng dàshǐ.
This singer also served as an environmental image ambassador.