







不宣而战 is a Chinese idiom (chengyu) meaning “to launch a surprise attack without formal declaration of hostilities”. To act without prior warning or announcement. Literally, “attack without declaring war”.

Turn a Chinese character or sentence into a GIF or MP4
Open the tool →
Printable tracing sheets with a QR learning companion
Open the tool →
Create PNGs with pinyin, highlight character parts or remove strokes
Open the tool →
Chinese and English fill-in vocabulary worksheets
Open the tool →不宣而战 (bù xuān ér zhàn) is a Chinese idiom (chengyu) meaning “to launch a surprise attack without formal declaration of hostilities”.
不宣而战 is pronounced bù xuān ér zhàn in Mandarin Chinese.
Literally, 不宣而战 means “attack without declaring war”. It is used to mean “to launch a surprise attack without formal declaration of hostilities”.
指不宣布开战,就突然发起进攻