The word 嫣然一笑 is formed by combining the adverb 嫣然, meaning "charmingly" or "beautifully", with the phrase 一笑, meaning "a smile". The character 嫣 conveys beauty, 然 functions as a suffix to create an adverbial form, 一 denotes "one" or "a single", and 笑 means "smile", resulting in a literal meaning of "a single charming smile".