不首先使用 Save Create a free account to save words bùshǒuxiānshǐyòng ㄅㄨˋ ㄕㄡˇ ㄒㄧㄢ ㄕˇ ㄩㄥˋ no first use (policy for nuclear weapons) NFU Character by character 不(bù)no 首(shǒu)first 先(xiān)beforehand 使(shǐ)make 用(yòng)use Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0