不首先使用 bù shǒu xiān shǐ yòng

DEFINITIONS

  1. no first use (policy for nuclear weapons)
  2. NFU

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
首 shǒu
HSK 4
head; first; leader, chief; a poem
先 xiān
HSK 1
first, former, previous
使 shǐ
HSK 4
cause, send on a mission, order; envoy, messenger, ambassador
用 yòng
HSK 3
use, employ, apply, operate; use