無乃

无乃
wúnǎi
  1. (literary) wouldn't it be; isn't it
  2. wouldn't it be; isn't it

Wiktionary

Entry Composition

=1 無 mó used in 南無 nāmó
=1 無 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
=2 乃 nǎi
  1. to be
  2. thus
  3. so
  4. therefore
  5. then
  6. only
  7. thereupon
=2 乃 nǎi variant of 乃 nǎi