It is a rule of English that adjectives generally precede the noun they modify.
夏奈爾這個名字成了優雅的代名詞。
The name Chanel became a byword for elegance.
a noun in the form of the present participle of a verb, for example travelling in the sentence I preferred travelling alone.
巴黎一直是優雅、奢華和時尚的代名詞。
Paris has always been synonymous with elegance, luxury and style