不首先使用

Mandarin · pinyin bù shǒu xiān shǐ yòng

Meanings

  1. no first use (policy for nuclear weapons)
  2. NFU
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Characters in this entry

不
bù · no, not; un-; negative prefix
首
shǒu · head; first; leader, chief; a poem; Kangxi radical 185
先
xiān · first, former, previous
使
shǐ · cause, send on a mission, order; envoy, messenger, ambassador
用
yòng · use, employ, apply, operate; use
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–3–1–3–4 · bu4 shou3 xian1 shi3 yong4

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Compare dictionary sources 1 Cantonese reading

Rime Cantonese 粵拼

bat1 sau2 sin1 si2 jung6

Cantonese word readings for 不首先使用. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

不首先使用 · bu4 shou3 xian1 shi3 yong4
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source line 2,995
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source record不首先使用 不首先使用 [bu4 shou3 xian1 shi3 yong4] /no first use (policy for nuclear weapons)/NFU/