奂
huàn
excellent
surname Huan
knife (⺈) + central (央) = excellent, outstanding
央 likely contributes the sound huàn here rather than its meaning of 'central.' The knife component (⺈) may hint at something sharp or refined, though the pairing is somewhat opaque — the overall sense of 'excellent' is the meaning to anchor.
⺈Variant of 刀Semantic
央CentralPhonetic
这座新建的大厅美轮美奂，令人叹为观止。
zhè zuò xīn jiàn de dà tīng měi lún měi huàn, lìng rén tàn wéi guān zhǐ.
This newly built hall is magnificent and splendid, leaving people in awe.
博物馆的新展厅装修得美轮美奂，吸引了很多参观者。
bówùguǎn de xīn zhǎn tīng zhuāng xiū de měi lún měi huàn, xīyǐn le hěn duō cānguān zhě.
The museum's new exhibition hall was decorated magnificently, attracting many visitors.