皇帝陛下

Huángdìbìxià
  1. Imperial Majesty; Your Majesty the emperor
  2. Your Majesty; His Majesty; Her Majesty

Wiktionary

Entry Composition

1 皇帝 huángdì emperor

classifier: 個
2 陛下 bìxià
  1. Your Majesty
  2. His or Her Majesty