誓死不二

shìsǐbù'èr

to faithfully or single-mindedly pledge one's life (to) or protect with one's life

Wiktionary

Entry Composition

1 誓死 shìsǐ to pledge one's life
=2 不二 bùèr
  1. the only (choice, way etc)
  2. undivided (loyalty)
=2 不二 bù'èr
  1. faithful; single-minded
  2. nonduality
  3. the same